40404167336 has 64 divisors (see below), whose sum is σ = 83642388480. Its totient is φ = 18178629120.

The previous prime is 40404167329. The next prime is 40404167389. The reversal of 40404167336 is 63376140404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40404167336.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6678665 + ... + 6684711.

It is an arithmetic number, because the mean of its divisors is an integer number (1306912320).

Almost surely, 2^40404167336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40404167336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41821194240).

40404167336 is an abundant number, since it is smaller than the sum of its proper divisors (43238221144).

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

40404167336 is a wasteful number, since it uses less digits than its factorization.

40404167336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674 (or 7670 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 40404167336 in words is "forty billion, four hundred four million, one hundred sixty-seven thousand, three hundred thirty-six".