4445124720 has 120 divisors (see below), whose sum is σ = 14239477008. Its totient is φ = 1147069440.

The previous prime is 4445124713. The next prime is 4445124737. The reversal of 4445124720 is 274215444.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221004 + ... + 240276.

Almost surely, 2^4445124720 is an apocalyptic number.

4445124720 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 4445124720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7119738504).

4445124720 is an abundant number, since it is smaller than the sum of its proper divisors (9794352288).

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

4445124720 is a wasteful number, since it uses less digits than its factorization.

4445124720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19351 (or 19314 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 33.

The square root of 4445124720 is about 66671.7685381151. The cubic root of 4445124720 is about 1644.2252637969.

The spelling of 4445124720 in words is "four billion, four hundred forty-five million, one hundred twenty-four thousand, seven hundred twenty".