57147450140 has 48 divisors (see below), whose sum is σ = 131094319104. Its totient is φ = 20753160000.

The previous prime is 57147450131. The next prime is 57147450161. The reversal of 57147450140 is 4105474175.

It is a junction number, because it is equal to n+sod(n) for n = 57147450094 and 57147450103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7724 + ... + 338163.

It is an arithmetic number, because the mean of its divisors is an integer number (2731131648).

Almost surely, 2^57147450140 is an apocalyptic number.

It is an amenable number.

57147450140 is an abundant number, since it is smaller than the sum of its proper divisors (73946868964).

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

57147450140 is a wasteful number, since it uses less digits than its factorization.

57147450140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346658 (or 346656 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 57147450140 in words is "fifty-seven billion, one hundred forty-seven million, four hundred fifty thousand, one hundred forty".