57012230440 has 64 divisors (see below), whose sum is σ = 140866024320. Its totient is φ = 20594400000.

The previous prime is 57012230419. The next prime is 57012230453. The reversal of 57012230440 is 4403221075.

It is a junction number, because it is equal to n+sod(n) for n = 57012230399 and 57012230408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362611 + ... + 495490.

It is an arithmetic number, because the mean of its divisors is an integer number (2201031630).

Almost surely, 2^57012230440 is an apocalyptic number.

It is an amenable number.

57012230440 is an abundant number, since it is smaller than the sum of its proper divisors (83853793880).

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

57012230440 is a wasteful number, since it uses less digits than its factorization.

57012230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858274 (or 858270 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The spelling of 57012230440 in words is "fifty-seven billion, twelve million, two hundred thirty thousand, four hundred forty".