40704920 has 16 divisors (see below), whose sum is σ = 91586160. Its totient is φ = 16281952.

The previous prime is 40704887. The next prime is 40704947. The reversal of 40704920 is 2940704.

40704920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40704920.

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, 508772 + ... + 508851.

It is an arithmetic number, because the mean of its divisors is an integer number (5724135).

Almost surely, 2^40704920 is an apocalyptic number.

40704920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40704920 is an abundant number, since it is smaller than the sum of its proper divisors (50881240).

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

40704920 is a wasteful number, since it uses less digits than its factorization.

40704920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017634 (or 1017630 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40704920 is about 6380.0407522209. The cubic root of 40704920 is about 343.9924957801.

The spelling of 40704920 in words is "forty million, seven hundred four thousand, nine hundred twenty".