40404016623 has 8 divisors (see below), whose sum is σ = 54521083008. Its totient is φ = 26611480664.

The previous prime is 40404016621. The next prime is 40404016633. The reversal of 40404016623 is 32661040404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40404016623 - 2¹ = 40404016621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404016621) 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 7 ways as a sum of consecutive naturals, for example, 81132315 + ... + 81132812.

It is an arithmetic number, because the mean of its divisors is an integer number (6815135376).

Almost surely, 2^40404016623 is an apocalyptic number.

40404016623 is a deficient number, since it is larger than the sum of its proper divisors (14117066385).

40404016623 is a wasteful number, since it uses less digits than its factorization.

40404016623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162265213.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 40404016623 in words is "forty billion, four hundred four million, sixteen thousand, six hundred twenty-three".