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140441002440 = 23352235248169
BaseRepresentation
bin1000001011001011101…
…1111010000111001000
3111102111120112010100220
42002302323322013020
54300110344034230
6144303454030040
713101154552464
oct2026273720710
9442446463326
10140441002440
1154619314872
12232754a8320
131032205b49b
146b240274a4
1539be7d3d10
hex20b2efa1c8

140441002440 has 64 divisors (see below), whose sum is σ = 423212428800. Its totient is φ = 37282985472.

The previous prime is 140441002439. The next prime is 140441002447. The reversal of 140441002440 is 44200144041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 140441002440.

It is not an unprimeable number, because it can be changed into a prime (140441002447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2597325 + ... + 2650844.

It is an arithmetic number, because the mean of its divisors is an integer number (6612694200).

Almost surely, 2140441002440 is an apocalyptic number.

140441002440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140441002440 is an abundant number, since it is smaller than the sum of its proper divisors (282771426360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140441002440 is a wasteful number, since it uses less digits than its factorization.

140441002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248406 (or 5248402 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 140441002440 its reverse (44200144041), we get a palindrome (184641146481).

The spelling of 140441002440 in words is "one hundred forty billion, four hundred forty-one million, two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 223 446 669 892 1115 1338 1784 2230 2676 3345 4460 5352 6690 8920 13380 26760 5248169 10496338 15744507 20992676 26240845 31489014 41985352 52481690 62978028 78722535 104963380 125956056 157445070 209926760 314890140 629780280 1170341687 2340683374 3511025061 4681366748 5851708435 7022050122 9362733496 11703416870 14044100244 17555125305 23406833740 28088200488 35110250610 46813667480 70220501220 140441002440