40031233112 has 32 divisors (see below), whose sum is σ = 80840877600. Its totient is φ = 18473992704.

The previous prime is 40031233049. The next prime is 40031233127. The reversal of 40031233112 is 21133213004.

It is a congruent number.

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, 1519589 + ... + 1545707.

It is an arithmetic number, because the mean of its divisors is an integer number (2526277425).

Almost surely, 2^40031233112 is an apocalyptic number.

It is an amenable number.

40031233112 is an abundant number, since it is smaller than the sum of its proper divisors (40809644488).

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

40031233112 is a wasteful number, since it uses less digits than its factorization.

40031233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40875 (or 40871 counting only the distinct ones).

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

Adding to 40031233112 its reverse (21133213004), we get a palindrome (61164446116).

The spelling of 40031233112 in words is "forty billion, thirty-one million, two hundred thirty-three thousand, one hundred twelve".