4440334440 has 64 divisors (see below), whose sum is σ = 13645920960. Its totient is φ = 1155207680.

The previous prime is 4440334439. The next prime is 4440334453. The reversal of 4440334440 is 444330444.

It is a super-2 number, since 2×4440334440² = 39433139878100227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4440334398 and 4440334407.

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, 446334 + ... + 456173.

It is an arithmetic number, because the mean of its divisors is an integer number (213217515).

Almost surely, 2^4440334440 is an apocalyptic number.

4440334440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440334440 is an abundant number, since it is smaller than the sum of its proper divisors (9205586520).

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

4440334440 is a wasteful number, since it uses less digits than its factorization.

4440334440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902562 (or 902558 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

The square root of 4440334440 is about 66635.8345036663. The cubic root of 4440334440 is about 1643.6344194539.

Adding to 4440334440 its reverse (444330444), we get a palindrome (4884664884).

The spelling of 4440334440 in words is "four billion, four hundred forty million, three hundred thirty-four thousand, four hundred forty".