40615404 has 12 divisors (see below), whose sum is σ = 94769304. Its totient is φ = 13538464.

The previous prime is 40615403. The next prime is 40615409. The reversal of 40615404 is 40451604.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40615404² = 3299222084166432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40615403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692297 + ... + 1692320.

It is an arithmetic number, because the mean of its divisors is an integer number (7897442).

Almost surely, 2^40615404 is an apocalyptic number.

It is an amenable number.

40615404 is an abundant number, since it is smaller than the sum of its proper divisors (54153900).

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

40615404 is a wasteful number, since it uses less digits than its factorization.

40615404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384624 (or 3384622 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40615404 is about 6373.0215753597. The cubic root of 40615404 is about 343.7401476405.

The spelling of 40615404 in words is "forty million, six hundred fifteen thousand, four hundred four".