40814797 has 4 divisors (see below), whose sum is σ = 41331520. Its totient is φ = 40298076.

The previous prime is 40814791. The next prime is 40814867. The reversal of 40814797 is 79741804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40814797 - 2³ = 40814789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40814791) 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, 258243 + ... + 258400.

It is an arithmetic number, because the mean of its divisors is an integer number (10332880).

Almost surely, 2^40814797 is an apocalyptic number.

It is an amenable number.

40814797 is a deficient number, since it is larger than the sum of its proper divisors (516723).

40814797 is an equidigital number, since it uses as much as digits as its factorization.

40814797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516722.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 40814797 is about 6388.6459441731. The cubic root of 40814797 is about 344.3017369015.

The spelling of 40814797 in words is "forty million, eight hundred fourteen thousand, seven hundred ninety-seven".