2502752640 has 64 divisors (see below), whose sum is σ = 7977530160. Its totient is φ = 667400192.

The previous prime is 2502752621. The next prime is 2502752641. The reversal of 2502752640 is 462572052.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502752641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649839 + ... + 653678.

Almost surely, 2^2502752640 is an apocalyptic number.

2502752640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2502752640 is an abundant number, since it is smaller than the sum of its proper divisors (5474777520).

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

2502752640 is a wasteful number, since it uses less digits than its factorization.

2502752640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303539 (or 1303527 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 2502752640 is about 50027.5188271415. The cubic root of 2502752640 is about 1357.7067465567.

The spelling of 2502752640 in words is "two billion, five hundred two million, seven hundred fifty-two thousand, six hundred forty".