2651636004 has 48 divisors (see below), whose sum is σ = 6310543680. Its totient is φ = 866286720.

The previous prime is 2651635993. The next prime is 2651636021. The reversal of 2651636004 is 4006361562.

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, 876807 + ... + 879825.

It is an arithmetic number, because the mean of its divisors is an integer number (131469660).

Almost surely, 2^2651636004 is an apocalyptic number.

It is an amenable number.

2651636004 is an abundant number, since it is smaller than the sum of its proper divisors (3658907676).

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

2651636004 is a wasteful number, since it uses less digits than its factorization.

2651636004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2651636004 is about 51494.0385287462. The cubic root of 2651636004 is about 1384.1122183112.

Adding to 2651636004 its reverse (4006361562), we get a palindrome (6657997566).

The spelling of 2651636004 in words is "two billion, six hundred fifty-one million, six hundred thirty-six thousand, four".