40190974 has 8 divisors (see below), whose sum is σ = 60413760. Its totient is φ = 20053056.

The previous prime is 40190971. The next prime is 40190989. The reversal of 40190974 is 47909104.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40190971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20019 + ... + 21934.

It is an arithmetic number, because the mean of its divisors is an integer number (7551720).

Almost surely, 2^40190974 is an apocalyptic number.

40190974 is a deficient number, since it is larger than the sum of its proper divisors (20222786).

40190974 is a wasteful number, since it uses less digits than its factorization.

40190974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42434.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 40190974 is about 6339.6351630043. The cubic root of 40190974 is about 342.5385936939.

The spelling of 40190974 in words is "forty million, one hundred ninety thousand, nine hundred seventy-four".