2642494888 has 16 divisors (see below), whose sum is σ = 5405103360. Its totient is φ = 1201134000.

The previous prime is 2642494871. The next prime is 2642494889. The reversal of 2642494888 is 8884942462.

It is a happy number.

It is a super-2 number, since 2×2642494888² = 13965558466212265088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2642494889) 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 3 ways as a sum of consecutive naturals, for example, 15014088 + ... + 15014263.

It is an arithmetic number, because the mean of its divisors is an integer number (337818960).

Almost surely, 2^2642494888 is an apocalyptic number.

It is an amenable number.

2642494888 is an abundant number, since it is smaller than the sum of its proper divisors (2762608472).

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

2642494888 is a wasteful number, since it uses less digits than its factorization.

2642494888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30028368 (or 30028364 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 55.

The square root of 2642494888 is about 51405.2029273302. The cubic root of 2642494888 is about 1382.5198809472.

The spelling of 2642494888 in words is "two billion, six hundred forty-two million, four hundred ninety-four thousand, eight hundred eighty-eight".