40499798 has 8 divisors (see below), whose sum is σ = 60811608. Its totient is φ = 20229264.

The previous prime is 40499761. The next prime is 40499813. The reversal of 40499798 is 89799404.

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, 7736 + ... + 11867.

It is an arithmetic number, because the mean of its divisors is an integer number (7601451).

Almost surely, 2^40499798 is an apocalyptic number.

40499798 is a deficient number, since it is larger than the sum of its proper divisors (20311810).

40499798 is a wasteful number, since it uses less digits than its factorization.

40499798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20638.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 40499798 is about 6363.9451600403. The cubic root of 40499798 is about 343.4137018212.

The spelling of 40499798 in words is "forty million, four hundred ninety-nine thousand, seven hundred ninety-eight".