40404682 has 16 divisors (see below), whose sum is σ = 64342080. Its totient is φ = 18963648.

The previous prime is 40404667. The next prime is 40404757. The reversal of 40404682 is 28640404.

It is a super-2 number, since 2×40404682² = 3265076655042248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40404682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13573 + ... + 16279.

It is an arithmetic number, because the mean of its divisors is an integer number (4021380).

Almost surely, 2^40404682 is an apocalyptic number.

40404682 is a deficient number, since it is larger than the sum of its proper divisors (23937398).

40404682 is a wasteful number, since it uses less digits than its factorization.

40404682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 40404682 is about 6356.4677298009. The cubic root of 40404682 is about 343.1446491027.

The spelling of 40404682 in words is "forty million, four hundred four thousand, six hundred eighty-two".