40837982 has 4 divisors (see below), whose sum is σ = 61256976. Its totient is φ = 20418990.

The previous prime is 40837963. The next prime is 40837987. The reversal of 40837982 is 28973804.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40837987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10209494 + ... + 10209497.

It is an arithmetic number, because the mean of its divisors is an integer number (15314244).

Almost surely, 2^40837982 is an apocalyptic number.

40837982 is a deficient number, since it is larger than the sum of its proper divisors (20418994).

40837982 is a wasteful number, since it uses less digits than its factorization.

40837982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20418993.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 40837982 is about 6390.4602338173. The cubic root of 40837982 is about 344.3669185293.

The spelling of 40837982 in words is "forty million, eight hundred thirty-seven thousand, nine hundred eighty-two".