44444004440 has 64 divisors (see below), whose sum is σ = 110090772000. Its totient is φ = 16013168640.

The previous prime is 44444004427. The next prime is 44444004487. The reversal of 44444004440 is 4440044444.

It is a junction number, because it is equal to n+sod(n) for n = 44444004397 and 44444004406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415385 + ... + 511304.

Almost surely, 2^44444004440 is an apocalyptic number.

44444004440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44444004440 is an abundant number, since it is smaller than the sum of its proper divisors (65646767560).

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

44444004440 is a wasteful number, since it uses less digits than its factorization.

44444004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926820 (or 926816 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 44444004440 its reverse (4440044444), we get a palindrome (48884048884).

It can be divided in two parts, 44444004 and 440, that added together give a palindrome (44444444).

The spelling of 44444004440 in words is "forty-four billion, four hundred forty-four million, four thousand, four hundred forty".