57445608240 has 140 divisors (see below), whose sum is σ = 200250156384. Its totient is φ = 15318813312.

The previous prime is 57445608239. The next prime is 57445608257. The reversal of 57445608240 is 4280654475.

57445608240 is a `hidden beast` number, since 5 + 7 + 4 + 4 + 560 + 82 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 434184 + ... + 550823.

Almost surely, 2^57445608240 is an apocalyptic number.

It is an amenable number.

57445608240 is an abundant number, since it is smaller than the sum of its proper divisors (142804548144).

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

57445608240 is an equidigital number, since it uses as much as digits as its factorization.

57445608240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985038 (or 985017 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 57445608240 in words is "fifty-seven billion, four hundred forty-five million, six hundred eight thousand, two hundred forty".