40204412 has 12 divisors (see below), whose sum is σ = 70440720. Its totient is φ = 20078496.

The previous prime is 40204387. The next prime is 40204421. The reversal of 40204412 is 21440204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (5870060).

Almost surely, 2^40204412 is an apocalyptic number.

It is an amenable number.

40204412 is a deficient number, since it is larger than the sum of its proper divisors (30236308).

40204412 is a wasteful number, since it uses less digits than its factorization.

40204412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860 (or 11858 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40204412 is about 6340.6949145973. The cubic root of 40204412 is about 342.5767657861.

Adding to 40204412 its reverse (21440204), we get a palindrome (61644616).

The spelling of 40204412 in words is "forty million, two hundred four thousand, four hundred twelve".