2315561464 has 32 divisors (see below), whose sum is σ = 4645126800. Its totient is φ = 1078859520.

The previous prime is 2315561459. The next prime is 2315561497. The reversal of 2315561464 is 4641655132.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115597 + ... + 134140.

Almost surely, 2^2315561464 is an apocalyptic number.

It is an amenable number.

2315561464 is an abundant number, since it is smaller than the sum of its proper divisors (2329565336).

2315561464 is a wasteful number, since it uses less digits than its factorization.

2315561464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249823 (or 249819 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 2315561464 is about 48120.2812128109. The cubic root of 2315561464 is about 1322.9764224885.

The spelling of 2315561464 in words is "two billion, three hundred fifteen million, five hundred sixty-one thousand, four hundred sixty-four".