40816328797 has 4 divisors (see below), whose sum is σ = 41508131040. Its totient is φ = 40124526556.

The previous prime is 40816328771. The next prime is 40816328809. The reversal of 40816328797 is 79782361804.

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 40816328797 - 2²³ = 40807940189 is a prime.

It is a super-2 number, since 2×40816328797² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40816328717) 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, 345901033 + ... + 345901150.

It is an arithmetic number, because the mean of its divisors is an integer number (10377032760).

Almost surely, 2^40816328797 is an apocalyptic number.

It is an amenable number.

40816328797 is a deficient number, since it is larger than the sum of its proper divisors (691802243).

40816328797 is an equidigital number, since it uses as much as digits as its factorization.

40816328797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691802242.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 40816328797 in words is "forty billion, eight hundred sixteen million, three hundred twenty-eight thousand, seven hundred ninety-seven".