2515963904 has 104 divisors (see below), whose sum is σ = 5307768000. Its totient is φ = 1190690816.

The previous prime is 2515963903. The next prime is 2515963913. The reversal of 2515963904 is 4093695152.

It is a hoax number, since the sum of its digits (44) 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 (2515963903) 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, 7008077 + ... + 7008435.

Almost surely, 2^2515963904 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 2515963904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2653884000).

2515963904 is an abundant number, since it is smaller than the sum of its proper divisors (2791804096).

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

2515963904 is an equidigital number, since it uses as much as digits as its factorization.

2515963904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 2515963904 is about 50159.3850042043. The cubic root of 2515963904 is about 1360.0915278654.

The spelling of 2515963904 in words is "two billion, five hundred fifteen million, nine hundred sixty-three thousand, nine hundred four".