40344213132 has 24 divisors (see below), whose sum is σ = 104596108400. Its totient is φ = 13448071008.

The previous prime is 40344213113. The next prime is 40344213137. The reversal of 40344213132 is 23131244304.

40344213132 is a `hidden beast` number, since 4 + 0 + 344 + 2 + 1 + 313 + 2 = 666.

40344213132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40344213096 and 40344213105.

It is not an unprimeable number, because it can be changed into a prime (40344213137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186778657 + ... + 186778872.

Almost surely, 2^40344213132 is an apocalyptic number.

It is an amenable number.

40344213132 is an abundant number, since it is smaller than the sum of its proper divisors (64251895268).

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

40344213132 is a wasteful number, since it uses less digits than its factorization.

40344213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373557542 (or 373557534 counting only the distinct ones).

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

Adding to 40344213132 its reverse (23131244304), we get a palindrome (63475457436).

The spelling of 40344213132 in words is "forty billion, three hundred forty-four million, two hundred thirteen thousand, one hundred thirty-two".