385261500172 has 12 divisors (see below), whose sum is σ = 674218588456. Its totient is φ = 192627617760.

The previous prime is 385261500133. The next prime is 385261500187. The reversal of 385261500172 is 271005162583.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494529 + ... + 1007512.

Almost surely, 2^385261500172 is an apocalyptic number.

It is an amenable number.

385261500172 is a deficient number, since it is larger than the sum of its proper divisors (288957088284).

385261500172 is a wasteful number, since it uses less digits than its factorization.

385261500172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566168 (or 1566166 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 385261500172 in words is "three hundred eighty-five billion, two hundred sixty-one million, five hundred thousand, one hundred seventy-two".