2502418640 has 40 divisors (see below), whose sum is σ = 5830829928. Its totient is φ = 998781440.

The previous prime is 2502418627. The next prime is 2502418657. The reversal of 2502418640 is 468142052.

It can be written as a sum of positive squares in 4 ways, for example, as 348344896 + 2154073744 = 18664^2 + 46412^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2502418597 and 2502418606.

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, 2954 + ... + 70806.

Almost surely, 2^2502418640 is an apocalyptic number.

2502418640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2502418640 is an abundant number, since it is smaller than the sum of its proper divisors (3328411288).

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

2502418640 is a wasteful number, since it uses less digits than its factorization.

2502418640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68327 (or 68321 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 2502418640 is about 50024.1805530086. The cubic root of 2502418640 is about 1357.6463471629.

The spelling of 2502418640 in words is "two billion, five hundred two million, four hundred eighteen thousand, six hundred forty".