2518139552 has 48 divisors (see below), whose sum is σ = 5254103232. Its totient is φ = 1183902720.

The previous prime is 2518139549. The next prime is 2518139557. The reversal of 2518139552 is 2559318152.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2518139557) by changing a digit.

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, 1088477 + ... + 1090787.

It is an arithmetic number, because the mean of its divisors is an integer number (109460484).

Almost surely, 2^2518139552 is an apocalyptic number.

It is an amenable number.

2518139552 is an abundant number, since it is smaller than the sum of its proper divisors (2735963680).

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

2518139552 is a wasteful number, since it uses less digits than its factorization.

2518139552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4333 counting only the distinct ones).

The product of its digits is 108000, while the sum is 41.

The square root of 2518139552 is about 50181.0676650069. The cubic root of 2518139552 is about 1360.4834555708.

The spelling of 2518139552 in words is "two billion, five hundred eighteen million, one hundred thirty-nine thousand, five hundred fifty-two".