40366774334432 has 192 divisors, whose sum is σ = 100111190699520. Its totient is φ = 15594045917184.

The previous prime is 40366774334417. The next prime is 40366774334479. The reversal of 40366774334432 is 23443347766304.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536262494 + ... + 536337762.

It is an arithmetic number, because the mean of its divisors is an integer number (521412451560).

Almost surely, 2^{40366774334432} 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 40366774334432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50055595349760).

40366774334432 is an abundant number, since it is smaller than the sum of its proper divisors (59744416365088).

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

40366774334432 is a wasteful number, since it uses less digits than its factorization.

40366774334432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79625 (or 79617 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 56.

The spelling of 40366774334432 in words is "forty trillion, three hundred sixty-six billion, seven hundred seventy-four million, three hundred thirty-four thousand, four hundred thirty-two".