2502639140 has 24 divisors (see below), whose sum is σ = 5296929792. Its totient is φ = 993172320.

The previous prime is 2502639103. The next prime is 2502639151. The reversal of 2502639140 is 419362052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2502639097 and 2502639106.

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, 490106 + ... + 495185.

It is an arithmetic number, because the mean of its divisors is an integer number (220705408).

Almost surely, 2^2502639140 is an apocalyptic number.

2502639140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2502639140 is an abundant number, since it is smaller than the sum of its proper divisors (2794290652).

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

2502639140 is a wasteful number, since it uses less digits than its factorization.

2502639140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985427 (or 985425 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2502639140 is about 50026.3844386140. The cubic root of 2502639140 is about 1357.6862222158.

The spelling of 2502639140 in words is "two billion, five hundred two million, six hundred thirty-nine thousand, one hundred forty".