400141243112 has 32 divisors (see below), whose sum is σ = 821672056800. Its totient is φ = 181550391744.

The previous prime is 400141243097. The next prime is 400141243207. The reversal of 400141243112 is 211342141004.

It is a super-2 number, since 2×400141243112² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32599898 + ... + 32612169.

It is an arithmetic number, because the mean of its divisors is an integer number (25677251775).

Almost surely, 2^400141243112 is an apocalyptic number.

It is an amenable number.

400141243112 is an abundant number, since it is smaller than the sum of its proper divisors (421530813688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400141243112 is a wasteful number, since it uses less digits than its factorization.

400141243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65212145 (or 65212141 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 400141243112 its reverse (211342141004), we get a palindrome (611483384116).

The spelling of 400141243112 in words is "four hundred billion, one hundred forty-one million, two hundred forty-three thousand, one hundred twelve".