40792681 has 8 divisors (see below), whose sum is σ = 41827104. Its totient is φ = 39762240.

The previous prime is 40792667. The next prime is 40792691. The reversal of 40792681 is 18629704.

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

It is a cyclic number.

It is not a de Polignac number, because 40792681 - 2⁵ = 40792649 is a prime.

It is a super-2 number, since 2×40792681² = 3328085646335522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40792681.

It is not an unprimeable number, because it can be changed into a prime (40792691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41265 + ... + 42241.

It is an arithmetic number, because the mean of its divisors is an integer number (5228388).

Almost surely, 2^40792681 is an apocalyptic number.

It is an amenable number.

40792681 is a deficient number, since it is larger than the sum of its proper divisors (1034423).

40792681 is an equidigital number, since it uses as much as digits as its factorization.

40792681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 40792681 is about 6386.9148264244. The cubic root of 40792681 is about 344.2395376213.

The spelling of 40792681 in words is "forty million, seven hundred ninety-two thousand, six hundred eighty-one".