440446644044 has 24 divisors (see below), whose sum is σ = 849521276688. Its totient is φ = 198139069440.

The previous prime is 440446644017. The next prime is 440446644089.

440446644044 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 440446643986 and 440446644004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51594449 + ... + 51602984.

It is an arithmetic number, because the mean of its divisors is an integer number (35396719862).

Almost surely, 2^440446644044 is an apocalyptic number.

440446644044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440446644044 is a deficient number, since it is larger than the sum of its proper divisors (409074632644).

440446644044 is a wasteful number, since it uses less digits than its factorization.

440446644044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103197545 (or 103197543 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 44.

The spelling of 440446644044 in words is "four hundred forty billion, four hundred forty-six million, six hundred forty-four thousand, forty-four".