7630252640 has 48 divisors (see below), whose sum is σ = 18648085680. Its totient is φ = 2946854400.

The previous prime is 7630252631. The next prime is 7630252699. The reversal of 7630252640 is 462520367.

It is a self number, because there is not a number n which added to its sum of digits gives 7630252640.

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, 817586 + ... + 826865.

It is an arithmetic number, because the mean of its divisors is an integer number (388501785).

Almost surely, 2^7630252640 is an apocalyptic number.

It is an amenable number.

7630252640 is an abundant number, since it is smaller than the sum of its proper divisors (11017833040).

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

7630252640 is a wasteful number, since it uses less digits than its factorization.

7630252640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644495 (or 1644487 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 7630252640 is about 87351.3173340849. The cubic root of 7630252640 is about 1968.7004441511.

The spelling of 7630252640 in words is "seven billion, six hundred thirty million, two hundred fifty-two thousand, six hundred forty".