400111332032 has 14 divisors (see below), whose sum is σ = 793970924628. Its totient is φ = 200055665984.

The previous prime is 400111332031. The next prime is 400111332041. The reversal of 400111332032 is 230233111004.

It is a junction number, because it is equal to n+sod(n) for n = 400111331995 and 400111332013.

It is not an unprimeable number, because it can be changed into a prime (400111332031) 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 as a sum of consecutive naturals, namely, 3125869718 + ... + 3125869845.

It is an arithmetic number, because the mean of its divisors is an integer number (56712208902).

Almost surely, 2^400111332032 is an apocalyptic number.

It is an amenable number.

400111332032 is a deficient number, since it is larger than the sum of its proper divisors (393859592596).

400111332032 is an equidigital number, since it uses as much as digits as its factorization.

400111332032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251739575 (or 6251739565 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 400111332032 its reverse (230233111004), we get a palindrome (630344443036).

The spelling of 400111332032 in words is "four hundred billion, one hundred eleven million, three hundred thirty-two thousand, thirty-two".