40496139 has 8 divisors (see below), whose sum is σ = 59994320. Its totient is φ = 26997408.

The previous prime is 40496129. The next prime is 40496143. The reversal of 40496139 is 93169404.

40496139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40496139 - 2²⁰ = 39447563 is a prime.

It is a super-3 number, since 3×40496139³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40496129) 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 7 ways as a sum of consecutive naturals, for example, 749902 + ... + 749955.

It is an arithmetic number, because the mean of its divisors is an integer number (7499290).

Almost surely, 2^40496139 is an apocalyptic number.

40496139 is a deficient number, since it is larger than the sum of its proper divisors (19498181).

40496139 is a wasteful number, since it uses less digits than its factorization.

40496139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499866 (or 1499860 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 40496139 is about 6363.6576746396. The cubic root of 40496139 is about 343.4033594767.

The spelling of 40496139 in words is "forty million, four hundred ninety-six thousand, one hundred thirty-nine".