40465982 has 4 divisors (see below), whose sum is σ = 60698976. Its totient is φ = 20232990.

The previous prime is 40465973. The next prime is 40465987. The reversal of 40465982 is 28956404.

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 (40465987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116494 + ... + 10116497.

It is an arithmetic number, because the mean of its divisors is an integer number (15174744).

Almost surely, 2^40465982 is an apocalyptic number.

40465982 is a deficient number, since it is larger than the sum of its proper divisors (20232994).

40465982 is a wasteful number, since it uses less digits than its factorization.

40465982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20232993.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 40465982 is about 6361.2877627097. The cubic root of 40465982 is about 343.3180954895.

The spelling of 40465982 in words is "forty million, four hundred sixty-five thousand, nine hundred eighty-two".