57332433240 has 96 divisors (see below), whose sum is σ = 186558325200. Its totient is φ = 15269948160.

The previous prime is 57332433229. The next prime is 57332433281. The reversal of 57332433240 is 4233423375.

57332433240 is a `hidden beast` number, since 5 + 7 + 3 + 324 + 3 + 324 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 57332433195 and 57332433204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198571 + ... + 392549.

Almost surely, 2^57332433240 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 57332433240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93279162600).

57332433240 is an abundant number, since it is smaller than the sum of its proper divisors (129225891960).

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

57332433240 is a wasteful number, since it uses less digits than its factorization.

57332433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194817 (or 194810 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 36.

The spelling of 57332433240 in words is "fifty-seven billion, three hundred thirty-two million, four hundred thirty-three thousand, two hundred forty".