40332142 has 8 divisors (see below), whose sum is σ = 60618600. Its totient is φ = 20125944.

The previous prime is 40332139. The next prime is 40332161. The reversal of 40332142 is 24123304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18792 + ... + 20827.

It is an arithmetic number, because the mean of its divisors is an integer number (7577325).

Almost surely, 2^40332142 is an apocalyptic number.

40332142 is a deficient number, since it is larger than the sum of its proper divisors (20286458).

40332142 is a wasteful number, since it uses less digits than its factorization.

40332142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40130.

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

The square root of 40332142 is about 6350.7591672177. The cubic root of 40332142 is about 342.9391727171.

Adding to 40332142 its reverse (24123304), we get a palindrome (64455446).

The spelling of 40332142 in words is "forty million, three hundred thirty-two thousand, one hundred forty-two".