40940798 has 4 divisors (see below), whose sum is σ = 61411200. Its totient is φ = 20470398.

The previous prime is 40940789. The next prime is 40940813. The reversal of 40940798 is 89704904.

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

It is a super-2 number, since 2×40940798² = 3352297881753608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10235198 + ... + 10235201.

It is an arithmetic number, because the mean of its divisors is an integer number (15352800).

Almost surely, 2^40940798 is an apocalyptic number.

40940798 is a deficient number, since it is larger than the sum of its proper divisors (20470402).

40940798 is a wasteful number, since it uses less digits than its factorization.

40940798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20470401.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 40940798 is about 6398.4996678909. The cubic root of 40940798 is about 344.6556755076.

The spelling of 40940798 in words is "forty million, nine hundred forty thousand, seven hundred ninety-eight".