40020403996 has 12 divisors (see below), whose sum is σ = 70243530448. Its totient is φ = 19950823872.

The previous prime is 40020403993. The next prime is 40020404003. The reversal of 40020403996 is 69930402004.

40020403996 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 not an unprimeable number, because it can be changed into a prime (40020403991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14843016 + ... + 14845711.

Almost surely, 2^40020403996 is an apocalyptic number.

It is an amenable number.

40020403996 is a deficient number, since it is larger than the sum of its proper divisors (30223126452).

40020403996 is a wasteful number, since it uses less digits than its factorization.

40020403996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29689068 (or 29689066 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 40020403996 in words is "forty billion, twenty million, four hundred three thousand, nine hundred ninety-six".