40040615223 has 20 divisors (see below), whose sum is σ = 68358582160. Its totient is φ = 22880351232.

The previous prime is 40040615177. The next prime is 40040615227. The reversal of 40040615223 is 32251604004.

40040615223 is a `hidden beast` number, since 4 + 0 + 0 + 40 + 615 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 40040615223 - 2⁸ = 40040614967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040615227) 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 19 ways as a sum of consecutive naturals, for example, 35308618 + ... + 35309751.

It is an arithmetic number, because the mean of its divisors is an integer number (3417929108).

Almost surely, 2^40040615223 is an apocalyptic number.

40040615223 is a deficient number, since it is larger than the sum of its proper divisors (28317966937).

40040615223 is an equidigital number, since it uses as much as digits as its factorization.

40040615223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70618388 (or 70618379 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 40040615223 in words is "forty billion, forty million, six hundred fifteen thousand, two hundred twenty-three".