40663704 has 32 divisors (see below), whose sum is σ = 102035520. Its totient is φ = 13504416.

The previous prime is 40663687. The next prime is 40663751. The reversal of 40663704 is 40736604.

40663704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 3799 + ... + 9785.

It is an arithmetic number, because the mean of its divisors is an integer number (3188610).

Almost surely, 2^40663704 is an apocalyptic number.

It is an amenable number.

40663704 is an abundant number, since it is smaller than the sum of its proper divisors (61371816).

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

40663704 is a wasteful number, since it uses less digits than its factorization.

40663704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279 (or 6275 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 40663704 is about 6376.8098607376. The cubic root of 40663704 is about 343.8763527132.

Subtracting 40663704 from its reverse (40736604), we obtain a square (72900 = 270²).

The spelling of 40663704 in words is "forty million, six hundred sixty-three thousand, seven hundred four".