3625335640 has 64 divisors (see below), whose sum is σ = 8270064000. Its totient is φ = 1430161920.

The previous prime is 3625335619. The next prime is 3625335671. The reversal of 3625335640 is 465335263.

It is a self number, because there is not a number n which added to its sum of digits gives 3625335640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996625 + ... + 1000255.

It is an arithmetic number, because the mean of its divisors is an integer number (129219750).

Almost surely, 2^3625335640 is an apocalyptic number.

It is an amenable number.

3625335640 is an abundant number, since it is smaller than the sum of its proper divisors (4644728360).

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

3625335640 is a wasteful number, since it uses less digits than its factorization.

3625335640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980 (or 3976 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

The square root of 3625335640 is about 60210.7601679301. The cubic root of 3625335640 is about 1536.2058225254.

The spelling of 3625335640 in words is "three billion, six hundred twenty-five million, three hundred thirty-five thousand, six hundred forty".