40131201332 has 24 divisors (see below), whose sum is σ = 71286088776. Its totient is φ = 19764476928.

The previous prime is 40131201323. The next prime is 40131201347. The reversal of 40131201332 is 23310213104.

It can be written as a sum of positive squares in 4 ways, for example, as 8427974416 + 31703226916 = 91804^2 + 178054^2 .

It is a super-2 number, since 2×40131201332² (a number of 22 digits) contains 22 as substring.

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, 130268 + ... + 311820.

It is an arithmetic number, because the mean of its divisors is an integer number (2970253699).

Almost surely, 2^40131201332 is an apocalyptic number.

It is an amenable number.

40131201332 is a deficient number, since it is larger than the sum of its proper divisors (31154887444).

40131201332 is a wasteful number, since it uses less digits than its factorization.

40131201332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182387 (or 182385 counting only the distinct ones).

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

Adding to 40131201332 its reverse (23310213104), we get a palindrome (63441414436).

The spelling of 40131201332 in words is "forty billion, one hundred thirty-one million, two hundred one thousand, three hundred thirty-two".