40554906 has 32 divisors (see below), whose sum is σ = 92914560. Its totient is φ = 11559936.

The previous prime is 40554901. The next prime is 40554929. The reversal of 40554906 is 60945504.

40554906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40554901) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23050 + ... + 24746.

It is an arithmetic number, because the mean of its divisors is an integer number (2903580).

Almost surely, 2^40554906 is an apocalyptic number.

40554906 is an abundant number, since it is smaller than the sum of its proper divisors (52359654).

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

40554906 is a wasteful number, since it uses less digits than its factorization.

40554906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 40554906 is about 6368.2733923725. The cubic root of 40554906 is about 343.5693920224.

The spelling of 40554906 in words is "forty million, five hundred fifty-four thousand, nine hundred six".