440796367891879 has 4 divisors (see below), whose sum is σ = 466725566003184. Its totient is φ = 414867169780576.

The previous prime is 440796367891871. The next prime is 440796367891907. The reversal of 440796367891879 is 978198763697044.

It is a happy number.

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 440796367891879 - 2³ = 440796367891871 is a prime.

It is a super-3 number, since 3×440796367891879³ (a number of 45 digits) contains 333 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 440796367891879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440796367891871) 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, 12964599055627 + ... + 12964599055660.

It is an arithmetic number, because the mean of its divisors is an integer number (116681391500796).

Almost surely, 2^{440796367891879} is an apocalyptic number.

440796367891879 is a deficient number, since it is larger than the sum of its proper divisors (25929198111305).

440796367891879 is a wasteful number, since it uses less digits than its factorization.

440796367891879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25929198111304.

The product of its (nonzero) digits is 27653197824, while the sum is 88.

The spelling of 440796367891879 in words is "four hundred forty trillion, seven hundred ninety-six billion, three hundred sixty-seven million, eight hundred ninety-one thousand, eight hundred seventy-nine".