400244433031 has 8 divisors (see below), whose sum is σ = 400910186880. Its totient is φ = 399578900448.

The previous prime is 400244433011. The next prime is 400244433049. The reversal of 400244433031 is 130334442004.

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 400244433031 - 2⁵ = 400244432999 is a prime.

It is a super-2 number, since 2×400244433031² (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 (400244433011) 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, 3785770 + ... + 3890056.

It is an arithmetic number, because the mean of its divisors is an integer number (50113773360).

Almost surely, 2^400244433031 is an apocalyptic number.

400244433031 is a deficient number, since it is larger than the sum of its proper divisors (665753849).

400244433031 is a wasteful number, since it uses less digits than its factorization.

400244433031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110633.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 400244433031 its reverse (130334442004), we get a palindrome (530578875035).

The spelling of 400244433031 in words is "four hundred billion, two hundred forty-four million, four hundred thirty-three thousand, thirty-one".