57356538340 has 24 divisors (see below), whose sum is σ = 127533950712. Its totient is φ = 21593049600.

The previous prime is 57356538331. The next prime is 57356538359. The reversal of 57356538340 is 4383565375.

It can be written as a sum of positive squares in 4 ways, for example, as 9934507584 + 47422030756 = 99672^2 + 217766^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84347511 + ... + 84348190.

It is an arithmetic number, because the mean of its divisors is an integer number (5313914613).

Almost surely, 2^57356538340 is an apocalyptic number.

It is an amenable number.

57356538340 is an abundant number, since it is smaller than the sum of its proper divisors (70177412372).

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

57356538340 is a wasteful number, since it uses less digits than its factorization.

57356538340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168695727 (or 168695725 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 57356538340 in words is "fifty-seven billion, three hundred fifty-six million, five hundred thirty-eight thousand, three hundred forty".