4424046440 has 64 divisors (see below), whose sum is σ = 10966648320. Its totient is φ = 1592800000.

The previous prime is 4424046427. The next prime is 4424046461. The reversal of 4424046440 is 446404244.

It is a junction number, because it is equal to n+sod(n) for n = 4424046397 and 4424046406.

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, 5336 + ... + 94215.

It is an arithmetic number, because the mean of its divisors is an integer number (171353880).

Almost surely, 2^4424046440 is an apocalyptic number.

4424046440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4424046440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5483324160).

4424046440 is an abundant number, since it is smaller than the sum of its proper divisors (6542601880).

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

4424046440 is a wasteful number, since it uses less digits than its factorization.

4424046440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99674 (or 99670 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

The square root of 4424046440 is about 66513.5056962118. The cubic root of 4424046440 is about 1641.6222347851.

It can be divided in two parts, 442404 and 6440, that added together give a palindrome (448844).

The spelling of 4424046440 in words is "four billion, four hundred twenty-four million, forty-six thousand, four hundred forty".