57023436040 has 16 divisors (see below), whose sum is σ = 128302731180. Its totient is φ = 22809374400.

The previous prime is 57023436037. The next prime is 57023436061. The reversal of 57023436040 is 4063432075.

It can be written as a sum of positive squares in 2 ways, for example, as 56879388036 + 144048004 = 238494^2 + 12002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57023435987 and 57023436005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712792911 + ... + 712792990.

Almost surely, 2^57023436040 is an apocalyptic number.

It is an amenable number.

57023436040 is an abundant number, since it is smaller than the sum of its proper divisors (71279295140).

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

57023436040 is a wasteful number, since it uses less digits than its factorization.

57023436040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425585912 (or 1425585908 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 57023436040 in words is "fifty-seven billion, twenty-three million, four hundred thirty-six thousand, forty".