2516490980 has 24 divisors (see below), whose sum is σ = 5291535480. Its totient is φ = 1005281280.

The previous prime is 2516490947. The next prime is 2516490997. The reversal of 2516490980 is 890946152.

It can be written as a sum of positive squares in 4 ways, for example, as 1267876 + 2515223104 = 1126^2 + 50152^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66431 + ... + 97190.

It is an arithmetic number, because the mean of its divisors is an integer number (220480645).

Almost surely, 2^2516490980 is an apocalyptic number.

2516490980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2516490980 is an abundant number, since it is smaller than the sum of its proper divisors (2775044500).

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

2516490980 is a wasteful number, since it uses less digits than its factorization.

2516490980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164399 (or 164397 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 2516490980 is about 50164.6387408501. The cubic root of 2516490980 is about 1360.1864976365.

The spelling of 2516490980 in words is "two billion, five hundred sixteen million, four hundred ninety thousand, nine hundred eighty".