40342132 has 24 divisors (see below), whose sum is σ = 73289160. Its totient is φ = 19407360.

The previous prime is 40342123. The next prime is 40342151. The reversal of 40342132 is 23124304.

40342132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2322576 + 38019556 = 1524^2 + 6166^2 .

It is a super-2 number, since 2×40342132² = 3254975228610848, which contains 22 as substring.

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, 52632 + ... + 53392.

It is an arithmetic number, because the mean of its divisors is an integer number (3053715).

Almost surely, 2^40342132 is an apocalyptic number.

It is an amenable number.

40342132 is a deficient number, since it is larger than the sum of its proper divisors (32947028).

40342132 is a wasteful number, since it uses less digits than its factorization.

40342132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40342132 is about 6351.5456386615. The cubic root of 40342132 is about 342.9674849542.

Adding to 40342132 its reverse (23124304), we get a palindrome (63466436).

The spelling of 40342132 in words is "forty million, three hundred forty-two thousand, one hundred thirty-two".