2515220672 has 56 divisors (see below), whose sum is σ = 5118183312. Its totient is φ = 1225728000.

The previous prime is 2515220623. The next prime is 2515220693. The reversal of 2515220672 is 2760225152.

It is a super-2 number, since 2×2515220672² = 12652670057712263168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 2093672 + ... + 2094872.

Almost surely, 2^2515220672 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 2515220672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2559091656).

2515220672 is an abundant number, since it is smaller than the sum of its proper divisors (2602962640).

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

2515220672 is a wasteful number, since it uses less digits than its factorization.

2515220672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2515220672 is about 50151.9757537029. The cubic root of 2515220672 is about 1359.9575880661.

The spelling of 2515220672 in words is "two billion, five hundred fifteen million, two hundred twenty thousand, six hundred seventy-two".