44443634444 has 36 divisors (see below), whose sum is σ = 87574872504. Its totient is φ = 19708920000.

The previous prime is 44443634423. The next prime is 44443634449.

44443634444 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 = 44443634395 and 44443634404.

It is not an unprimeable number, because it can be changed into a prime (44443634449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099982 + ... + 1139669.

Almost surely, 2^44443634444 is an apocalyptic number.

44443634444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44443634444 is a deficient number, since it is larger than the sum of its proper divisors (43131238060).

44443634444 is a wasteful number, since it uses less digits than its factorization.

44443634444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239718 (or 2239705 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 44.

The spelling of 44443634444 in words is "forty-four billion, four hundred forty-three million, six hundred thirty-four thousand, four hundred forty-four".