4479995520 has 1536 divisors, whose sum is σ = 22269945600. Its totient is φ = 836075520.

The previous prime is 4479995479. The next prime is 4479995521. The reversal of 4479995520 is 255999744.

4479995520 is a `hidden beast` number, since 44 + 79 + 9 + 9 + 5 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4479995521) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 121080942 + ... + 121080978.

Almost surely, 2^4479995520 is an apocalyptic number.

4479995520 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 4479995520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11134972800).

4479995520 is an abundant number, since it is smaller than the sum of its proper divisors (17789950080).

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

4479995520 is a wasteful number, since it uses less digits than its factorization.

4479995520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The square root of 4479995520 is about 66932.7686563166. The cubic root of 4479995520 is about 1648.5135704185.

It can be divided in two parts, 4479 and 995520, that added together give a palindrome (999999).

The spelling of 4479995520 in words is "four billion, four hundred seventy-nine million, nine hundred ninety-five thousand, five hundred twenty".