4440661512 has 32 divisors (see below), whose sum is σ = 12687604800. Its totient is φ = 1268760384.

The previous prime is 4440661499. The next prime is 4440661517. The reversal of 4440661512 is 2151660444.

It is a super-2 number, since 2×4440661512² = 39438949328316252288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4440661517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13216087 + ... + 13216422.

It is an arithmetic number, because the mean of its divisors is an integer number (396487650).

Almost surely, 2^4440661512 is an apocalyptic number.

4440661512 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4440661512 is an abundant number, since it is smaller than the sum of its proper divisors (8246943288).

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

4440661512 is a wasteful number, since it uses less digits than its factorization.

4440661512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26432525 (or 26432521 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 4440661512 is about 66638.2886334876. The cubic root of 4440661512 is about 1643.6747747924.

The spelling of 4440661512 in words is "four billion, four hundred forty million, six hundred sixty-one thousand, five hundred twelve".