40013313132 has 96 divisors (see below), whose sum is σ = 103401446400. Its totient is φ = 11966879232.

The previous prime is 40013313113. The next prime is 40013313139. The reversal of 40013313132 is 23131331004.

40013313132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40013313099 and 40013313108.

It is not an unprimeable number, because it can be changed into a prime (40013313139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794733 + ... + 843579.

It is an arithmetic number, because the mean of its divisors is an integer number (1077098400).

Almost surely, 2^40013313132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40013313132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51700723200).

40013313132 is an abundant number, since it is smaller than the sum of its proper divisors (63388133268).

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

40013313132 is a wasteful number, since it uses less digits than its factorization.

40013313132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49015 (or 49013 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 40013313132 its reverse (23131331004), we get a palindrome (63144644136).

It can be divided in two parts, 4001 and 3313132, that added together give a palindrome (3317133).

The spelling of 40013313132 in words is "forty billion, thirteen million, three hundred thirteen thousand, one hundred thirty-two".