4479039720 has 128 divisors (see below), whose sum is σ = 14945040000. Its totient is φ = 1193218560.

The previous prime is 4479039701. The next prime is 4479039737. The reversal of 4479039720 is 279309744.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1833700 + ... + 1836140.

It is an arithmetic number, because the mean of its divisors is an integer number (116758125).

Almost surely, 2^4479039720 is an apocalyptic number.

4479039720 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 4479039720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7472520000).

4479039720 is an abundant number, since it is smaller than the sum of its proper divisors (10466000280).

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

4479039720 is a wasteful number, since it uses less digits than its factorization.

4479039720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160 (or 4150 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 4479039720 is about 66925.6282749740. The cubic root of 4479039720 is about 1648.3963261541.

The spelling of 4479039720 in words is "four billion, four hundred seventy-nine million, thirty-nine thousand, seven hundred twenty".