40332132 has 18 divisors (see below), whose sum is σ = 101950758. Its totient is φ = 13444032.

The previous prime is 40332121. The next prime is 40332137. The reversal of 40332132 is 23123304.

It can be written as a sum of positive squares in only one way, i.e., 36072036 + 4260096 = 6006^2 + 2064^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (40332137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560133 + ... + 560204.

It is an arithmetic number, because the mean of its divisors is an integer number (5663931).

Almost surely, 2^40332132 is an apocalyptic number.

It is an amenable number.

40332132 is an abundant number, since it is smaller than the sum of its proper divisors (61618626).

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

40332132 is a wasteful number, since it uses less digits than its factorization.

40332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120347 (or 1120342 counting only the distinct ones).

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

The square root of 40332132 is about 6350.7583799102. The cubic root of 40332132 is about 342.9391443741.

Adding to 40332132 its reverse (23123304), we get a palindrome (63455436).

The spelling of 40332132 in words is "forty million, three hundred thirty-two thousand, one hundred thirty-two".