401044792231 has 4 divisors (see below), whose sum is σ = 418481522352. Its totient is φ = 383608062112.

The previous prime is 401044792223. The next prime is 401044792279. The reversal of 401044792231 is 132297440104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401044792231 - 2³ = 401044792223 is a prime.

It is a super-2 number, since 2×401044792231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401044795231) 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 3 ways as a sum of consecutive naturals, for example, 8718365026 + ... + 8718365071.

It is an arithmetic number, because the mean of its divisors is an integer number (104620380588).

Almost surely, 2^401044792231 is an apocalyptic number.

401044792231 is a deficient number, since it is larger than the sum of its proper divisors (17436730121).

401044792231 is a wasteful number, since it uses less digits than its factorization.

401044792231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17436730120.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 401044792231 in words is "four hundred one billion, forty-four million, seven hundred ninety-two thousand, two hundred thirty-one".