57740449536 has 1080 divisors, whose sum is σ = 227482679424. Its totient is φ = 14143610880.

The previous prime is 57740449489. The next prime is 57740449553. The reversal of 57740449536 is 63594404775.

57740449536 is a `hidden beast` number, since 57 + 74 + 0 + 4 + 495 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1342801131 + ... + 1342801173.

Almost surely, 2^57740449536 is an apocalyptic number.

57740449536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57740449536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113741339712).

57740449536 is an abundant number, since it is smaller than the sum of its proper divisors (169742229888).

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

57740449536 is a wasteful number, since it uses less digits than its factorization.

57740449536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 57740449536 in words is "fifty-seven billion, seven hundred forty million, four hundred forty-nine thousand, five hundred thirty-six".