40153604 has 24 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 19493696.

The previous prime is 40153601. The next prime is 40153627. The reversal of 40153604 is 40635104.

It is a happy number.

It is a super-2 number, since 2×40153604² = 3224623828377632, 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 40153604.

It is not an unprimeable number, because it can be changed into a prime (40153601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24977 + ... + 26535.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^40153604 is an apocalyptic number.

It is an amenable number.

40153604 is a deficient number, since it is larger than the sum of its proper divisors (32180476).

40153604 is a wasteful number, since it uses less digits than its factorization.

40153604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40153604 is about 6336.6871470825. The cubic root of 40153604 is about 342.4323954158.

Adding to 40153604 its reverse (40635104), we get a palindrome (80788708).

The spelling of 40153604 in words is "forty million, one hundred fifty-three thousand, six hundred four".