40940458 has 16 divisors (see below), whose sum is σ = 66273480. Its totient is φ = 18855936.

The previous prime is 40940443. The next prime is 40940519. The reversal of 40940458 is 85404904.

40940458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40793769 + 146689 = 6387^2 + 383^2 .

It is a super-2 number, since 2×40940458² = 3352242202499528, which contains 22 as substring.

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, 13638 + ... + 16366.

Almost surely, 2^40940458 is an apocalyptic number.

40940458 is a deficient number, since it is larger than the sum of its proper divisors (25333022).

40940458 is a wasteful number, since it uses less digits than its factorization.

40940458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 40940458 is about 6398.4730991073. The cubic root of 40940458 is about 344.6547214206.

The spelling of 40940458 in words is "forty million, nine hundred forty thousand, four hundred fifty-eight".