40331132 has 6 divisors (see below), whose sum is σ = 70579488. Its totient is φ = 20165564.

The previous prime is 40331117. The next prime is 40331153. The reversal of 40331132 is 23113304.

It is a happy number.

40331132 is nontrivially palindromic in base 3.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 40331132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5041388 + ... + 5041395.

It is an arithmetic number, because the mean of its divisors is an integer number (11763248).

Almost surely, 2^40331132 is an apocalyptic number.

It is an amenable number.

40331132 is a deficient number, since it is larger than the sum of its proper divisors (30248356).

40331132 is a wasteful number, since it uses less digits than its factorization.

40331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10082787 (or 10082785 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 40331132 is about 6350.6796486675. The cubic root of 40331132 is about 342.9363100585.

Adding to 40331132 its reverse (23113304), we get a palindrome (63444436).

The spelling of 40331132 in words is "forty million, three hundred thirty-one thousand, one hundred thirty-two".