40837142 has 4 divisors (see below), whose sum is σ = 61255716. Its totient is φ = 20418570.

The previous prime is 40837129. The next prime is 40837171. The reversal of 40837142 is 24173804.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10209284 + ... + 10209287.

It is an arithmetic number, because the mean of its divisors is an integer number (15313929).

Almost surely, 2^40837142 is an apocalyptic number.

40837142 is a deficient number, since it is larger than the sum of its proper divisors (20418574).

40837142 is a wasteful number, since it uses less digits than its factorization.

40837142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20418573.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 40837142 is about 6390.3945105134. The cubic root of 40837142 is about 344.3645574088.

The spelling of 40837142 in words is "forty million, eight hundred thirty-seven thousand, one hundred forty-two".