2515624464 has 20 divisors (see below), whose sum is σ = 6498696656. Its totient is φ = 838541472.

The previous prime is 2515624451. The next prime is 2515624469. The reversal of 2515624464 is 4644265152.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2515624469) 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, 26204374 + ... + 26204469.

Almost surely, 2^2515624464 is an apocalyptic number.

2515624464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2515624464 is an abundant number, since it is smaller than the sum of its proper divisors (3983072192).

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

2515624464 is a wasteful number, since it uses less digits than its factorization.

2515624464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52408854 (or 52408848 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 2515624464 is about 50156.0012760188. The cubic root of 2515624464 is about 1360.0303597606.

The spelling of 2515624464 in words is "two billion, five hundred fifteen million, six hundred twenty-four thousand, four hundred sixty-four".