40384416772 has 12 divisors (see below), whose sum is σ = 80768833600. Its totient is φ = 17307607176.

The previous prime is 40384416739. The next prime is 40384416773. The reversal of 40384416772 is 27761448304.

40384416772 is an admirable number.

It is a super-2 number, since 2×40384416772² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40384416773) 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, 721150272 + ... + 721150327.

Almost surely, 2^40384416772 is an apocalyptic number.

It is an amenable number.

40384416772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40384416772 is a wasteful number, since it uses less digits than its factorization.

40384416772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442300610 (or 1442300608 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 40384416772 in words is "forty billion, three hundred eighty-four million, four hundred sixteen thousand, seven hundred seventy-two".