40404060406 has 8 divisors (see below), whose sum is σ = 61599633264. Its totient is φ = 19870849320.

The previous prime is 40404060401. The next prime is 40404060469. The reversal of 40404060406 is 60406040404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404060401) 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, 165590290 + ... + 165590533.

It is an arithmetic number, because the mean of its divisors is an integer number (7699954158).

Almost surely, 2^40404060406 is an apocalyptic number.

40404060406 is a deficient number, since it is larger than the sum of its proper divisors (21195572858).

40404060406 is a wasteful number, since it uses less digits than its factorization.

40404060406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331180886.

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 40404060406 in words is "forty billion, four hundred four million, sixty thousand, four hundred six".