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244540014040 = 23576619131947
BaseRepresentation
bin1110001110111110111…
…0000111110111011000
3212101012102011211110001
43203233232013313120
513001304220422130
6304201245102344
723444633552230
oct3435756076730
9771172154401
10244540014040
119478850aa63
123b487b579b4
131a0a1b4827a
14bb9b612cc0
1565638006ca
hex38efb87dd8

244540014040 has 64 divisors (see below), whose sum is σ = 628916947200. Its totient is φ = 83828988288.

The previous prime is 244540014011. The next prime is 244540014041. The reversal of 244540014040 is 40410045442.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244540014041) 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, 1787347 + ... + 1919293.

It is an arithmetic number, because the mean of its divisors is an integer number (9826827300).

Almost surely, 2244540014040 is an apocalyptic number.

244540014040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244540014040 is an abundant number, since it is smaller than the sum of its proper divisors (384376933160).

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

244540014040 is a wasteful number, since it uses less digits than its factorization.

244540014040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138584 (or 138580 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 244540014040 its reverse (40410045442), we get a palindrome (284950059482).

The spelling of 244540014040 in words is "two hundred forty-four billion, five hundred forty million, fourteen thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 6619 13238 26476 33095 46333 52952 66190 92666 131947 132380 185332 231665 263894 264760 370664 463330 527788 659735 923629 926660 1055576 1319470 1847258 1853320 2638940 3694516 4618145 5277880 7389032 9236290 18472580 36945160 873357193 1746714386 3493428772 4366785965 6113500351 6986857544 8733571930 12227000702 17467143860 24454001404 30567501755 34934287720 48908002808 61135003510 122270007020 244540014040