40319792 has 20 divisors (see below), whose sum is σ = 78227880. Its totient is φ = 20131968.

The previous prime is 40319791. The next prime is 40319857. The reversal of 40319792 is 29791304.

40319792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40319791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15068 + ... + 17540.

It is an arithmetic number, because the mean of its divisors is an integer number (3911394).

Almost surely, 2^40319792 is an apocalyptic number.

It is an amenable number.

40319792 is a deficient number, since it is larger than the sum of its proper divisors (37908088).

40319792 is a wasteful number, since it uses less digits than its factorization.

40319792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 3494 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 40319792 is about 6349.7867680734. The cubic root of 40319792 is about 342.9041656405.

The spelling of 40319792 in words is "forty million, three hundred nineteen thousand, seven hundred ninety-two".