2518886990 has 16 divisors (see below), whose sum is σ = 4557738240. Its totient is φ = 1002278880.

The previous prime is 2518886987. The next prime is 2518887001. The reversal of 2518886990 is 996888152.

It is a congruent number.

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, 657485 + ... + 661304.

It is an arithmetic number, because the mean of its divisors is an integer number (284858640).

Almost surely, 2^2518886990 is an apocalyptic number.

2518886990 is a deficient number, since it is larger than the sum of its proper divisors (2038851250).

2518886990 is a wasteful number, since it uses less digits than its factorization.

2518886990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318987.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The square root of 2518886990 is about 50188.5145227471. The cubic root of 2518886990 is about 1360.6180491757.

The spelling of 2518886990 in words is "two billion, five hundred eighteen million, eight hundred eighty-six thousand, nine hundred ninety".