40132332 has 72 divisors (see below), whose sum is σ = 111471360. Its totient is φ = 12117600.

The previous prime is 40132303. The next prime is 40132343. The reversal of 40132332 is 23323104.

It is a super-2 number, since 2×40132332² = 3221208143516448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14457 + ... + 17007.

Almost surely, 2^40132332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40132332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55735680).

40132332 is an abundant number, since it is smaller than the sum of its proper divisors (71339028).

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

40132332 is a wasteful number, since it uses less digits than its factorization.

40132332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40132332 is about 6335.0084451404. The cubic root of 40132332 is about 342.3719150946.

Adding to 40132332 its reverse (23323104), we get a palindrome (63455436).

The spelling of 40132332 in words is "forty million, one hundred thirty-two thousand, three hundred thirty-two".