400104204101 has 4 divisors (see below), whose sum is σ = 457261947552. Its totient is φ = 342946460652.

The previous prime is 400104204079. The next prime is 400104204109. The reversal of 400104204101 is 101402401004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400104204101 - 2¹⁸ = 400103941957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400104204101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400104204109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28578871715 + ... + 28578871728.

It is an arithmetic number, because the mean of its divisors is an integer number (114315486888).

Almost surely, 2^400104204101 is an apocalyptic number.

It is an amenable number.

400104204101 is a deficient number, since it is larger than the sum of its proper divisors (57157743451).

400104204101 is an equidigital number, since it uses as much as digits as its factorization.

400104204101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57157743450.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 400104204101 its reverse (101402401004), we get a palindrome (501506605105).

The spelling of 400104204101 in words is "four hundred billion, one hundred four million, two hundred four thousand, one hundred one".