2506290990 has 64 divisors (see below), whose sum is σ = 6881034240. Its totient is φ = 572313600.

The previous prime is 2506290989. The next prime is 2506291019. The reversal of 2506290990 is 990926052.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236526 + ... + 246894.

It is an arithmetic number, because the mean of its divisors is an integer number (107516160).

Almost surely, 2^2506290990 is an apocalyptic number.

2506290990 is an abundant number, since it is smaller than the sum of its proper divisors (4374743250).

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

2506290990 is a wasteful number, since it uses less digits than its factorization.

2506290990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11537.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 2506290990 is about 50062.8703731618. The cubic root of 2506290990 is about 1358.3462796596.

The spelling of 2506290990 in words is "two billion, five hundred six million, two hundred ninety thousand, nine hundred ninety".