385527224072 has 32 divisors (see below), whose sum is σ = 727132918680. Its totient is φ = 191625392640.

The previous prime is 385527224057. The next prime is 385527224167. The reversal of 385527224072 is 270422725583.

It can be written as a sum of positive squares in 4 ways, for example, as 277229628676 + 108297595396 = 526526^2 + 329086^2 .

It is a super-2 number, since 2×385527224072² (a number of 24 digits) contains 22 as substring.

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, 17168372 + ... + 17190812.

Almost surely, 2^385527224072 is an apocalyptic number.

It is an amenable number.

385527224072 is a deficient number, since it is larger than the sum of its proper divisors (341605694608).

385527224072 is a wasteful number, since it uses less digits than its factorization.

385527224072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35033 (or 35029 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 385527224072 in words is "three hundred eighty-five billion, five hundred twenty-seven million, two hundred twenty-four thousand, seventy-two".