2501540004 has 48 divisors (see below), whose sum is σ = 6296911488. Its totient is φ = 769986048.

The previous prime is 2501539979. The next prime is 2501540051. The reversal of 2501540004 is 4000451052.

It is a super-2 number, since 2×2501540004² = 12515404783224640032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104872 + ... + 126495.

It is an arithmetic number, because the mean of its divisors is an integer number (131185656).

Almost surely, 2^2501540004 is an apocalyptic number.

It is an amenable number.

2501540004 is an abundant number, since it is smaller than the sum of its proper divisors (3795371484).

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

2501540004 is a wasteful number, since it uses less digits than its factorization.

2501540004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231444 (or 231442 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2501540004 is about 50015.3976691179. The cubic root of 2501540004 is about 1357.4874320269.

Adding to 2501540004 its reverse (4000451052), we get a palindrome (6501991056).

The spelling of 2501540004 in words is "two billion, five hundred one million, five hundred forty thousand, four".