40013222132 has 72 divisors (see below), whose sum is σ = 78274224000. Its totient is φ = 17875997568.

The previous prime is 40013222113. The next prime is 40013222141. The reversal of 40013222132 is 23122231004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4973369 + ... + 4981407.

It is an arithmetic number, because the mean of its divisors is an integer number (1087142000).

Almost surely, 2^40013222132 is an apocalyptic number.

It is an amenable number.

40013222132 is a deficient number, since it is larger than the sum of its proper divisors (38261001868).

40013222132 is a wasteful number, since it uses less digits than its factorization.

40013222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305 (or 8290 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40013222132 its reverse (23122231004), we get a palindrome (63135453136).

The spelling of 40013222132 in words is "forty billion, thirteen million, two hundred twenty-two thousand, one hundred thirty-two".