40392312792 has 96 divisors (see below), whose sum is σ = 112873697280. Its totient is φ = 12027450240.

The previous prime is 40392312791. The next prime is 40392312797. The reversal of 40392312792 is 29721329304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40392312791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34888 + ... + 286359.

It is an arithmetic number, because the mean of its divisors is an integer number (1175767680).

Almost surely, 2^40392312792 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 40392312792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56436848640).

40392312792 is an abundant number, since it is smaller than the sum of its proper divisors (72481384488).

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

40392312792 is a wasteful number, since it uses less digits than its factorization.

40392312792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321313 (or 321296 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 40392312792 in words is "forty billion, three hundred ninety-two million, three hundred twelve thousand, seven hundred ninety-two".