40919408123 has 16 divisors (see below), whose sum is σ = 46596211200. Its totient is φ = 35569860480.

The previous prime is 40919408099. The next prime is 40919408141. The reversal of 40919408123 is 32180491904.

It is not a de Polignac number, because 40919408123 - 2²² = 40915213819 is a prime.

It is a super-2 number, since 2×40919408123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40919408723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752723 + ... + 805251.

It is an arithmetic number, because the mean of its divisors is an integer number (2912263200).

Almost surely, 2^40919408123 is an apocalyptic number.

40919408123 is a deficient number, since it is larger than the sum of its proper divisors (5676803077).

40919408123 is a wasteful number, since it uses less digits than its factorization.

40919408123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55642.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 40919408123 in words is "forty billion, nine hundred nineteen million, four hundred eight thousand, one hundred twenty-three".