Search a number
-
+
2440213242440 = 235223273566507
BaseRepresentation
bin100011100000101000000…
…010110010001001001000
322122021121122201121002112
4203200220002302021020
5304440024042224230
65105003554321452
7341204521216661
oct43405002621110
98567548647075
102440213242440
11860985839446
12334b1a589288
1314915a19790c
148616d68c368
154371ee80d95
hex238280b2248

2440213242440 has 32 divisors (see below), whose sum is σ = 5515100801280. Its totient is φ = 971708229312.

The previous prime is 2440213242433. The next prime is 2440213242487. The reversal of 2440213242440 is 442423120442.

It is a junction number, because it is equal to n+sod(n) for n = 2440213242397 and 2440213242406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136774334 + ... + 136792173.

It is an arithmetic number, because the mean of its divisors is an integer number (172346900040).

Almost surely, 22440213242440 is an apocalyptic number.

2440213242440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440213242440 is an abundant number, since it is smaller than the sum of its proper divisors (3074887558840).

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

2440213242440 is a wasteful number, since it uses less digits than its factorization.

2440213242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273566741 (or 273566737 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 2440213242440 its reverse (442423120442), we get a palindrome (2882636362882).

The spelling of 2440213242440 in words is "two trillion, four hundred forty billion, two hundred thirteen million, two hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 223 446 892 1115 1784 2230 4460 8920 273566507 547133014 1094266028 1367832535 2188532056 2735665070 5471330140 10942660280 61005331061 122010662122 244021324244 305026655305 488042648488 610053310610 1220106621220 2440213242440