40400004000023 has 8 divisors (see below), whose sum is σ = 40404529170720. Its totient is φ = 40395479080320.

The previous prime is 40400003999947. The next prime is 40400004000049. The reversal of 40400004000023 is 32000040000404.

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 40400004000023 - 2⁸ = 40400003999767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40400003999965 and 40400004000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400004000053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604386083 + ... + 604452923.

It is an arithmetic number, because the mean of its divisors is an integer number (5050566146340).

Almost surely, 2^{40400004000023} is an apocalyptic number.

40400004000023 is a deficient number, since it is larger than the sum of its proper divisors (4525170697).

40400004000023 is a wasteful number, since it uses less digits than its factorization.

40400004000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125497.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 40400004000023 its reverse (32000040000404), we get a palindrome (72400044000427).

The spelling of 40400004000023 in words is "forty trillion, four hundred billion, four million, twenty-three", and thus it is an aban number.