57640738800 has 60 divisors (see below), whose sum is σ = 184642503800. Its totient is φ = 15370863360.

The previous prime is 57640738789. The next prime is 57640738811. The reversal of 57640738800 is 883704675.

It is an interprime number because it is at equal distance from previous prime (57640738789) and next prime (57640738811).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 57640738800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24015775 + ... + 24018174.

Almost surely, 2^57640738800 is an apocalyptic number.

57640738800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57640738800 is an abundant number, since it is smaller than the sum of its proper divisors (127001765000).

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

57640738800 is a wasteful number, since it uses less digits than its factorization.

57640738800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48033970 (or 48033959 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 57640738800 in words is "fifty-seven billion, six hundred forty million, seven hundred thirty-eight thousand, eight hundred".