57239022540 has 96 divisors (see below), whose sum is σ = 183532608000. Its totient is φ = 13056938496.

The previous prime is 57239022517. The next prime is 57239022551. The reversal of 57239022540 is 4522093275.

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, 73024 + ... + 346136.

It is an arithmetic number, because the mean of its divisors is an integer number (1911798000).

Almost surely, 2^57239022540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57239022540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91766304000).

57239022540 is an abundant number, since it is smaller than the sum of its proper divisors (126293585460).

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

57239022540 is a wasteful number, since it uses less digits than its factorization.

57239022540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273631 (or 273629 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 57239022540 in words is "fifty-seven billion, two hundred thirty-nine million, twenty-two thousand, five hundred forty".