40020604 has 12 divisors (see below), whose sum is σ = 75423544. Its totient is φ = 18471024.

The previous prime is 40020599. The next prime is 40020611. The reversal of 40020604 is 40602004.

40020604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 384762 + ... + 384865.

Almost surely, 2^40020604 is an apocalyptic number.

It is an amenable number.

40020604 is a deficient number, since it is larger than the sum of its proper divisors (35402940).

40020604 is a wasteful number, since it uses less digits than its factorization.

40020604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769644 (or 769642 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40020604 is about 6326.1839998533. The cubic root of 40020604 is about 342.0538998299.

Adding to 40020604 its reverse (40602004), we get a palindrome (80622608).

The spelling of 40020604 in words is "forty million, twenty thousand, six hundred four".