40244664123 has 24 divisors (see below), whose sum is σ = 61201916880. Its totient is φ = 25413030720.

The previous prime is 40244664067. The next prime is 40244664139. The reversal of 40244664123 is 32146644204.

40244664123 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 4 + 6 + 641 + 2 + 3 = 666.

It is not a de Polignac number, because 40244664123 - 2⁶ = 40244664059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40244664623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079665 + ... + 1116317.

It is an arithmetic number, because the mean of its divisors is an integer number (2550079870).

Almost surely, 2^40244664123 is an apocalyptic number.

40244664123 is a deficient number, since it is larger than the sum of its proper divisors (20957252757).

40244664123 is a wasteful number, since it uses less digits than its factorization.

40244664123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43099 (or 43096 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 40244664123 in words is "forty billion, two hundred forty-four million, six hundred sixty-four thousand, one hundred twenty-three".