815472512 has 32 divisors (see below), whose sum is σ = 1652124600. Its totient is φ = 400821760.

The previous prime is 815472509. The next prime is 815472517. The reversal of 815472512 is 215274518.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815472517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46439 + ... + 61542.

Almost surely, 2^815472512 is an apocalyptic number.

It is an amenable number.

815472512 is an abundant number, since it is smaller than the sum of its proper divisors (836652088).

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

815472512 is a wasteful number, since it uses less digits than its factorization.

815472512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108054 (or 108042 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 815472512 is about 28556.4793348200. The cubic root of 815472512 is about 934.2643462763.

The spelling of 815472512 in words is "eight hundred fifteen million, four hundred seventy-two thousand, five hundred twelve".