40492079 has 6 divisors (see below), whose sum is σ = 43014384. Its totient is φ = 38109920.

The previous prime is 40492057. The next prime is 40492093. The reversal of 40492079 is 97029404.

It is a de Polignac number, because none of the positive numbers 2^k-40492079 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40492099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69767 + ... + 70344.

It is an arithmetic number, because the mean of its divisors is an integer number (7169064).

Almost surely, 2^40492079 is an apocalyptic number.

40492079 is a deficient number, since it is larger than the sum of its proper divisors (2522305).

40492079 is a wasteful number, since it uses less digits than its factorization.

40492079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140145 (or 140128 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40492079 is about 6363.3386677121. The cubic root of 40492079 is about 343.3918829568.

The spelling of 40492079 in words is "forty million, four hundred ninety-two thousand, seventy-nine".