400696745231 has 8 divisors (see below), whose sum is σ = 411862922784. Its totient is φ = 389548280160.

The previous prime is 400696745123. The next prime is 400696745299. The reversal of 400696745231 is 132547696004.

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 400696745231 - 2³⁴ = 383516876047 is a prime.

It is a super-2 number, since 2×400696745231² (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 (400696745431) 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, 4382240 + ... + 4472741.

It is an arithmetic number, because the mean of its divisors is an integer number (51482865348).

Almost surely, 2^400696745231 is an apocalyptic number.

400696745231 is a deficient number, since it is larger than the sum of its proper divisors (11166177553).

400696745231 is a wasteful number, since it uses less digits than its factorization.

400696745231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8856241.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 400696745231 in words is "four hundred billion, six hundred ninety-six million, seven hundred forty-five thousand, two hundred thirty-one".