40204206404406 has 24 divisors (see below), whose sum is σ = 95028124229064. Its totient is φ = 12183092849760.

The previous prime is 40204206404389. The next prime is 40204206404413. The reversal of 40204206404406 is 60440460240204.

40204206404406 is a `hidden beast` number, since 4 + 0 + 2 + 0 + 4 + 2 + 0 + 640 + 4 + 4 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101525773551 + ... + 101525773946.

It is an arithmetic number, because the mean of its divisors is an integer number (3959505176211).

Almost surely, 2^{40204206404406} is an apocalyptic number.

40204206404406 is an abundant number, since it is smaller than the sum of its proper divisors (54823917824658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40204206404406 is a wasteful number, since it uses less digits than its factorization.

40204206404406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203051547516 (or 203051547513 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 40204206404406 in words is "forty trillion, two hundred four billion, two hundred six million, four hundred four thousand, four hundred six".