4404442520 has 16 divisors (see below), whose sum is σ = 9909995760. Its totient is φ = 1761776992.

The previous prime is 4404442513. The next prime is 4404442529. The reversal of 4404442520 is 252444044.

It is a super-2 number, since 2×4404442520² = 38798227823967900800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404442529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55055492 + ... + 55055571.

It is an arithmetic number, because the mean of its divisors is an integer number (619374735).

Almost surely, 2^4404442520 is an apocalyptic number.

4404442520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4404442520 is an abundant number, since it is smaller than the sum of its proper divisors (5505553240).

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

4404442520 is a wasteful number, since it uses less digits than its factorization.

4404442520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110111074 (or 110111070 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 4404442520 is about 66365.9741132457. The cubic root of 4404442520 is about 1639.1938482936.

Adding to 4404442520 its reverse (252444044), we get a palindrome (4656886564).

The spelling of 4404442520 in words is "four billion, four hundred four million, four hundred forty-two thousand, five hundred twenty".