744440404445 has 32 divisors (see below), whose sum is σ = 928571596800. Its totient is φ = 572335917120.

The previous prime is 744440404441. The next prime is 744440404469. The reversal of 744440404445 is 544404044447.

It is not a de Polignac number, because 744440404445 - 2² = 744440404441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744440404396 and 744440404405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744440404441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16108862 + ... + 16155008.

It is an arithmetic number, because the mean of its divisors is an integer number (29017862400).

Almost surely, 2^744440404445 is an apocalyptic number.

It is an amenable number.

744440404445 is a deficient number, since it is larger than the sum of its proper divisors (184131192355).

744440404445 is a wasteful number, since it uses less digits than its factorization.

744440404445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46905.

The product of its (nonzero) digits is 2293760, while the sum is 44.

The spelling of 744440404445 in words is "seven hundred forty-four billion, four hundred forty million, four hundred four thousand, four hundred forty-five".