38157197570 has 32 divisors (see below), whose sum is σ = 73606192128. Its totient is φ = 14204697408.

The previous prime is 38157197539. The next prime is 38157197581. The reversal of 38157197570 is 7579175183.

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, 2233394 + ... + 2250413.

It is an arithmetic number, because the mean of its divisors is an integer number (2300193504).

Almost surely, 2^38157197570 is an apocalyptic number.

38157197570 is a deficient number, since it is larger than the sum of its proper divisors (35448994558).

38157197570 is a wasteful number, since it uses less digits than its factorization.

38157197570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483874.

The product of its (nonzero) digits is 1852200, while the sum is 53.

The spelling of 38157197570 in words is "thirty-eight billion, one hundred fifty-seven million, one hundred ninety-seven thousand, five hundred seventy".