440404040399 has 24 divisors (see below), whose sum is σ = 474857059200. Its totient is φ = 407184429600.

The previous prime is 440404040389. The next prime is 440404040407. The reversal of 440404040399 is 993040404044.

It is not a de Polignac number, because 440404040399 - 2²⁰ = 440402991823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440404040309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273033317 + ... + 273034929.

It is an arithmetic number, because the mean of its divisors is an integer number (19785710800).

Almost surely, 2^440404040399 is an apocalyptic number.

440404040399 is a deficient number, since it is larger than the sum of its proper divisors (34453018801).

440404040399 is an equidigital number, since it uses as much as digits as its factorization.

440404040399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 440404040399 in words is "four hundred forty billion, four hundred four million, forty thousand, three hundred ninety-nine".