40426904 has 16 divisors (see below), whose sum is σ = 86629200. Its totient is φ = 17325792.

The previous prime is 40426891. The next prime is 40426921. The reversal of 40426904 is 40962404.

40426904 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 3 ways as a sum of consecutive naturals, for example, 360899 + ... + 361010.

It is an arithmetic number, because the mean of its divisors is an integer number (5414325).

Almost surely, 2^40426904 is an apocalyptic number.

It is an amenable number.

40426904 is an abundant number, since it is smaller than the sum of its proper divisors (46202296).

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

40426904 is a wasteful number, since it uses less digits than its factorization.

40426904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721922 (or 721918 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40426904 is about 6358.2154729138. The cubic root of 40426904 is about 343.2075457976.

The spelling of 40426904 in words is "forty million, four hundred twenty-six thousand, nine hundred four".