63508940 has 48 divisors (see below), whose sum is σ = 154060704. Its totient is φ = 21734400.

The previous prime is 63508937. The next prime is 63508967. The reversal of 63508940 is 4980536.

It is a self number, because there is not a number n which added to its sum of digits gives 63508940.

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, 4751 + ... + 12230.

It is an arithmetic number, because the mean of its divisors is an integer number (3209598).

Almost surely, 2^63508940 is an apocalyptic number.

It is an amenable number.

63508940 is an abundant number, since it is smaller than the sum of its proper divisors (90551764).

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

63508940 is a wasteful number, since it uses less digits than its factorization.

63508940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17018 (or 17016 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 63508940 is about 7969.2496510023. The cubic root of 63508940 is about 398.9743305869.

The spelling of 63508940 in words is "sixty-three million, five hundred eight thousand, nine hundred forty".