63040404 has 48 divisors (see below), whose sum is σ = 176960000. Its totient is φ = 17063136.

The previous prime is 63040381. The next prime is 63040421. The reversal of 63040404 is 40404036.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 18154 + ... + 21345.

Almost surely, 2^63040404 is an apocalyptic number.

It is an amenable number.

63040404 is an abundant number, since it is smaller than the sum of its proper divisors (113919596).

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

63040404 is a wasteful number, since it uses less digits than its factorization.

63040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39532 (or 39530 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 63040404 is about 7939.7987380034. The cubic root of 63040404 is about 397.9907660122.

The spelling of 63040404 in words is "sixty-three million, forty thousand, four hundred four".