40508430440472 has 160 divisors (see below), whose sum is σ = 114051273177600. Its totient is φ = 13432719450816.

The previous prime is 40508430440389. The next prime is 40508430440563. The reversal of 40508430440472 is 27404403480504.

40508430440472 is a `hidden beast` number, since 4 + 0 + 508 + 4 + 30 + 4 + 40 + 4 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 122369563 + ... + 122700149.

It is an arithmetic number, because the mean of its divisors is an integer number (712820457360).

Almost surely, 2^{40508430440472} 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 40508430440472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57025636588800).

40508430440472 is an abundant number, since it is smaller than the sum of its proper divisors (73542842737128).

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

40508430440472 is a wasteful number, since it uses less digits than its factorization.

40508430440472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331587 (or 331574 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 45.

The spelling of 40508430440472 in words is "forty trillion, five hundred eight billion, four hundred thirty million, four hundred forty thousand, four hundred seventy-two".