40477073815 has 4 divisors (see below), whose sum is σ = 48572488584. Its totient is φ = 32381659048.

The previous prime is 40477073789. The next prime is 40477073821. The reversal of 40477073815 is 51837077404.

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

It is a cyclic number.

It is not a de Polignac number, because 40477073815 - 2²³ = 40468685207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4047707377 + ... + 4047707386.

It is an arithmetic number, because the mean of its divisors is an integer number (12143122146).

Almost surely, 2^40477073815 is an apocalyptic number.

40477073815 is a deficient number, since it is larger than the sum of its proper divisors (8095414769).

40477073815 is an equidigital number, since it uses as much as digits as its factorization.

40477073815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095414768.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 40477073815 in words is "forty billion, four hundred seventy-seven million, seventy-three thousand, eight hundred fifteen".