57381566340 has 96 divisors (see below), whose sum is σ = 183662035200. Its totient is φ = 13112856576.

The previous prime is 57381566299. The next prime is 57381566357. The reversal of 57381566340 is 4366518375.

57381566340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57381566340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2276044 + ... + 2301116.

It is an arithmetic number, because the mean of its divisors is an integer number (1913146200).

Almost surely, 2^57381566340 is an apocalyptic number.

It is an amenable number.

57381566340 is an abundant number, since it is smaller than the sum of its proper divisors (126280468860).

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

57381566340 is a wasteful number, since it uses less digits than its factorization.

57381566340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30541 (or 30539 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 57381566340 in words is "fifty-seven billion, three hundred eighty-one million, five hundred sixty-six thousand, three hundred forty".