2581600488 has 32 divisors (see below), whose sum is σ = 6455421600. Its totient is φ = 860344128.

The previous prime is 2581600409. The next prime is 2581600499. The reversal of 2581600488 is 8840061852.

It is a super-2 number, since 2×2581600488² = 13329322159283676288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138423 + ... + 155961.

It is an arithmetic number, because the mean of its divisors is an integer number (201731925).

Almost surely, 2^2581600488 is an apocalyptic number.

It is an amenable number.

2581600488 is an abundant number, since it is smaller than the sum of its proper divisors (3873821112).

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

2581600488 is a wasteful number, since it uses less digits than its factorization.

2581600488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23681 (or 23677 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 2581600488 is about 50809.4527425754. The cubic root of 2581600488 is about 1371.8175191577.

The spelling of 2581600488 in words is "two billion, five hundred eighty-one million, six hundred thousand, four hundred eighty-eight".