4440072816 has 60 divisors (see below), whose sum is σ = 12761891272. Its totient is φ = 1440021888.

The previous prime is 4440072773. The next prime is 4440072839. The reversal of 4440072816 is 6182700444.

It is a super-2 number, since 2×4440072816² = 39428493222764339712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

4440072816 is a modest number, since divided by 72816 gives 44400 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411346 + ... + 422001.

Almost surely, 2^4440072816 is an apocalyptic number.

It is an amenable number.

4440072816 is an abundant number, since it is smaller than the sum of its proper divisors (8321818456).

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

4440072816 is a wasteful number, since it uses less digits than its factorization.

4440072816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833398 (or 833389 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 4440072816 is about 66633.8713868555. The cubic root of 4440072816 is about 1643.6021379022.

The spelling of 4440072816 in words is "four billion, four hundred forty million, seventy-two thousand, eight hundred sixteen".