40331324412 has 48 divisors (see below), whose sum is σ = 109108903680. Its totient is φ = 12859262064.

The previous prime is 40331324323. The next prime is 40331324413. The reversal of 40331324412 is 21442313304.

40331324412 is a `hidden beast` number, since 4 + 0 + 331 + 324 + 4 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40331324413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8115738 + ... + 8120705.

It is an arithmetic number, because the mean of its divisors is an integer number (2273102160).

Almost surely, 2^40331324412 is an apocalyptic number.

It is an amenable number.

40331324412 is an abundant number, since it is smaller than the sum of its proper divisors (68777579268).

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

40331324412 is a wasteful number, since it uses less digits than its factorization.

40331324412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16236479 (or 16236471 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40331324412 its reverse (21442313304), we get a palindrome (61773637716).

The spelling of 40331324412 in words is "forty billion, three hundred thirty-one million, three hundred twenty-four thousand, four hundred twelve".