44486644 has 6 divisors (see below), whose sum is σ = 77851634. Its totient is φ = 22243320.

The previous prime is 44486633. The next prime is 44486647. The reversal of 44486644 is 44668444.

It can be written as a sum of positive squares in only one way, i.e., 44355600 + 131044 = 6660^2 + 362^2 .

It is a super-2 number, since 2×44486644² = 3958122988765472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44486597 and 44486606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44486647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560827 + ... + 5560834.

Almost surely, 2^44486644 is an apocalyptic number.

It is an amenable number.

44486644 is a deficient number, since it is larger than the sum of its proper divisors (33364990).

44486644 is a wasteful number, since it uses less digits than its factorization.

44486644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121665 (or 11121663 counting only the distinct ones).

The product of its digits is 294912, while the sum is 40.

The square root of 44486644 is about 6669.8308824137. The cubic root of 44486644 is about 354.3315968957.

The spelling of 44486644 in words is "forty-four million, four hundred eighty-six thousand, six hundred forty-four".