57148570726400 has 156 divisors (see below), whose sum is σ = 142613813503032. Its totient is φ = 22713820446720.

The previous prime is 57148570726319. The next prime is 57148570726411. The reversal of 57148570726400 is 462707584175.

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, 14299439 + ... + 17854161.

Almost surely, 2^{57148570726400} is an apocalyptic number.

57148570726400 is a gapful number since it is divisible by the number (50) 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 57148570726400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71306906751516).

57148570726400 is an abundant number, since it is smaller than the sum of its proper divisors (85465242776632).

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

57148570726400 is a wasteful number, since it uses less digits than its factorization.

57148570726400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554914 (or 3554887 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 57148570726400 in words is "fifty-seven trillion, one hundred forty-eight billion, five hundred seventy million, seven hundred twenty-six thousand, four hundred".