744810444 has 96 divisors (see below), whose sum is σ = 2266575360. Its totient is φ = 207043776.

The previous prime is 744810419. The next prime is 744810463. The reversal of 744810444 is 444018447.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 744810399 and 744810408.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14659 + ... + 41285.

It is an arithmetic number, because the mean of its divisors is an integer number (23610160).

Almost surely, 2^744810444 is an apocalyptic number.

744810444 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744810444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133287680).

744810444 is an abundant number, since it is smaller than the sum of its proper divisors (1521764916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

744810444 is a wasteful number, since it uses less digits than its factorization.

744810444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26684 (or 26676 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The square root of 744810444 is about 27291.2155097570. The cubic root of 744810444 is about 906.4598779290.

The spelling of 744810444 in words is "seven hundred forty-four million, eight hundred ten thousand, four hundred forty-four".