40015312132 has 12 divisors (see below), whose sum is σ = 70393430016. Its totient is φ = 19902903560.

The previous prime is 40015312123. The next prime is 40015312177. The reversal of 40015312132 is 23121351004.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26187268 + ... + 26188795.

It is an arithmetic number, because the mean of its divisors is an integer number (5866119168).

Almost surely, 2^40015312132 is an apocalyptic number.

It is an amenable number.

40015312132 is a deficient number, since it is larger than the sum of its proper divisors (30378117884).

40015312132 is a wasteful number, since it uses less digits than its factorization.

40015312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52376258 (or 52376256 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 40015312132 its reverse (23121351004), we get a palindrome (63136663136).

The spelling of 40015312132 in words is "forty billion, fifteen million, three hundred twelve thousand, one hundred thirty-two".