244626444 has 72 divisors (see below), whose sum is σ = 657536880. Its totient is φ = 76464000.

The previous prime is 244626427. The next prime is 244626457. The reversal of 244626444 is 444626442.

244626444 is a `hidden beast` number, since 2 + 4 + 4 + 6 + 2 + 644 + 4 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 244626399 and 244626408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67314 + ... + 70854.

Almost surely, 2^244626444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244626444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328768440).

244626444 is an abundant number, since it is smaller than the sum of its proper divisors (412910436).

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

244626444 is a wasteful number, since it uses less digits than its factorization.

244626444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671 (or 3666 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

The square root of 244626444 is about 15640.5384817787. The cubic root of 244626444 is about 625.4142908669.

The spelling of 244626444 in words is "two hundred forty-four million, six hundred twenty-six thousand, four hundred forty-four".