2518978792 has 16 divisors (see below), whose sum is σ = 5152456800. Its totient is φ = 1144990320.

The previous prime is 2518978747. The next prime is 2518978793. The reversal of 2518978792 is 2978798152.

It is not an unprimeable number, because it can be changed into a prime (2518978793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14312292 + ... + 14312467.

It is an arithmetic number, because the mean of its divisors is an integer number (322028550).

Almost surely, 2^2518978792 is an apocalyptic number.

2518978792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2518978792 is an abundant number, since it is smaller than the sum of its proper divisors (2633478008).

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

2518978792 is a wasteful number, since it uses less digits than its factorization.

2518978792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28624776 (or 28624772 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 58.

The square root of 2518978792 is about 50189.4290862130. The cubic root of 2518978792 is about 1360.6345784260.

The spelling of 2518978792 in words is "two billion, five hundred eighteen million, nine hundred seventy-eight thousand, seven hundred ninety-two".