40993508 has 12 divisors (see below), whose sum is σ = 71788332. Its totient is φ = 20482560.

The previous prime is 40993499. The next prime is 40993517. The reversal of 40993508 is 80539904.

It is an interprime number because it is at equal distance from previous prime (40993499) and next prime (40993517).

It can be written as a sum of positive squares in 2 ways, for example, as 19998784 + 20994724 = 4472^2 + 4582^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5528 + ... + 10608.

It is an arithmetic number, because the mean of its divisors is an integer number (5982361).

Almost surely, 2^40993508 is an apocalyptic number.

It is an amenable number.

40993508 is a deficient number, since it is larger than the sum of its proper divisors (30794824).

40993508 is a wasteful number, since it uses less digits than its factorization.

40993508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102 (or 7100 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 40993508 is about 6402.6172773328. The cubic root of 40993508 is about 344.8035232188.

The spelling of 40993508 in words is "forty million, nine hundred ninety-three thousand, five hundred eight".