12557862240 has 192 divisors, whose sum is σ = 49318295040. Its totient is φ = 2609418240.

The previous prime is 12557862221. The next prime is 12557862263. The reversal of 12557862240 is 4226875521.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 12557862192 and 12557862201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132925 + ... + 206844.

It is an arithmetic number, because the mean of its divisors is an integer number (256866120).

Almost surely, 2^12557862240 is an apocalyptic number.

12557862240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12557862240 is an abundant number, since it is smaller than the sum of its proper divisors (36760432800).

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

12557862240 is a wasteful number, since it uses less digits than its factorization.

12557862240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339805 (or 339797 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 12557862240 in words is "twelve billion, five hundred fifty-seven million, eight hundred sixty-two thousand, two hundred forty".