4440120624 has 100 divisors (see below), whose sum is σ = 12882434400. Its totient is φ = 1476420480.

The previous prime is 4440120599. The next prime is 4440120631. The reversal of 4440120624 is 4260210444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 554602 + ... + 562550.

It is an arithmetic number, because the mean of its divisors is an integer number (128824344).

Almost surely, 2^4440120624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4440120624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6441217200).

4440120624 is an abundant number, since it is smaller than the sum of its proper divisors (8442313776).

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

4440120624 is a wasteful number, since it uses less digits than its factorization.

4440120624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400 (or 8385 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4440120624 is about 66634.2301223628. The cubic root of 4440120624 is about 1643.6080369833.

It can be divided in two parts, 44401 and 20624, that added together give a square (65025 = 255²).

The spelling of 4440120624 in words is "four billion, four hundred forty million, one hundred twenty thousand, six hundred twenty-four".