1523631472 has 40 divisors (see below), whose sum is σ = 3264545520. Its totient is φ = 683066880.

The previous prime is 1523631469. The next prime is 1523631479. The reversal of 1523631472 is 2741363251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523631479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46447 + ... + 72142.

It is an arithmetic number, because the mean of its divisors is an integer number (81613638).

Almost surely, 2^1523631472 is an apocalyptic number.

It is an amenable number.

1523631472 is an abundant number, since it is smaller than the sum of its proper divisors (1740914048).

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

1523631472 is a wasteful number, since it uses less digits than its factorization.

1523631472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118681 (or 118675 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 1523631472 is about 39033.7222411596. The cubic root of 1523631472 is about 1150.6943436358.

The spelling of 1523631472 in words is "one billion, five hundred twenty-three million, six hundred thirty-one thousand, four hundred seventy-two".