2515988464 has 40 divisors (see below), whose sum is σ = 5333252400. Its totient is φ = 1140326400.

The previous prime is 2515988441. The next prime is 2515988479. The reversal of 2515988464 is 4648895152.

It is a congruent number.

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, 40944 + ... + 81904.

It is an arithmetic number, because the mean of its divisors is an integer number (133331310).

Almost surely, 2^2515988464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2515988464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2666626200).

2515988464 is an abundant number, since it is smaller than the sum of its proper divisors (2817263936).

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

2515988464 is a wasteful number, since it uses less digits than its factorization.

2515988464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41329 (or 41323 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 52.

The square root of 2515988464 is about 50159.6298231955. The cubic root of 2515988464 is about 1360.0959534376.

It can be divided in two parts, 251598 and 8464, that added together give a palindrome (260062).

The spelling of 2515988464 in words is "two billion, five hundred fifteen million, nine hundred eighty-eight thousand, four hundred sixty-four".