40344132 has 24 divisors (see below), whose sum is σ = 94270176. Its totient is φ = 13428928.

The previous prime is 40344131. The next prime is 40344167. The reversal of 40344132 is 23144304.

It is a junction number, because it is equal to n+sod(n) for n = 40344099 and 40344108.

It is not an unprimeable number, because it can be changed into a prime (40344131) 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, 8323 + ... + 12245.

It is an arithmetic number, because the mean of its divisors is an integer number (3927924).

Almost surely, 2^40344132 is an apocalyptic number.

It is an amenable number.

40344132 is an abundant number, since it is smaller than the sum of its proper divisors (53926044).

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

40344132 is a wasteful number, since it uses less digits than its factorization.

40344132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787 (or 4785 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40344132 is about 6351.7030787026. The cubic root of 40344132 is about 342.9731525082.

Adding to 40344132 its reverse (23144304), we get a palindrome (63488436).

The spelling of 40344132 in words is "forty million, three hundred forty-four thousand, one hundred thirty-two".