400111131140 has 24 divisors (see below), whose sum is σ = 960266715072. Its totient is φ = 137180959200.

The previous prime is 400111131103. The next prime is 400111131187. The reversal of 400111131140 is 41131111004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428968186 + ... + 1428968465.

It is an arithmetic number, because the mean of its divisors is an integer number (40011113128).

Almost surely, 2^400111131140 is an apocalyptic number.

It is an amenable number.

400111131140 is an abundant number, since it is smaller than the sum of its proper divisors (560155583932).

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

400111131140 is a wasteful number, since it uses less digits than its factorization.

400111131140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857936667 (or 2857936665 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 400111131140 its reverse (41131111004), we get a palindrome (441242242144).

The spelling of 400111131140 in words is "four hundred billion, one hundred eleven million, one hundred thirty-one thousand, one hundred forty".