40663504 has 20 divisors (see below), whose sum is σ = 90040864. Its totient is φ = 17427168.

The previous prime is 40663499. The next prime is 40663523. The reversal of 40663504 is 40536604.

40663504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181422 + ... + 181645.

Almost surely, 2^40663504 is an apocalyptic number.

It is an amenable number.

40663504 is an abundant number, since it is smaller than the sum of its proper divisors (49377360).

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

40663504 is a wasteful number, since it uses less digits than its factorization.

40663504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363082 (or 363076 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40663504 is about 6376.7941788959. The cubic root of 40663504 is about 343.8757889395.

The spelling of 40663504 in words is "forty million, six hundred sixty-three thousand, five hundred four".