40402132 has 24 divisors (see below), whose sum is σ = 78805440. Its totient is φ = 18011520.

The previous prime is 40402127. The next prime is 40402163. The reversal of 40402132 is 23120404.

40402132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14344 + ... + 16927.

It is an arithmetic number, because the mean of its divisors is an integer number (3283560).

Almost surely, 2^40402132 is an apocalyptic number.

It is an amenable number.

40402132 is a deficient number, since it is larger than the sum of its proper divisors (38403308).

40402132 is a wasteful number, since it uses less digits than its factorization.

40402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31311 (or 31309 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40402132 is about 6356.2671435364. The cubic root of 40402132 is about 343.1374301599.

Adding to 40402132 its reverse (23120404), we get a palindrome (63522536).

The spelling of 40402132 in words is "forty million, four hundred two thousand, one hundred thirty-two".