4472555520 has 384 divisors, whose sum is σ = 15157134720. Its totient is φ = 1124597760.

The previous prime is 4472555491. The next prime is 4472555543. The reversal of 4472555520 is 255552744.

It is a tau number, because it is divible by the number of its divisors (384).

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, 66754527 + ... + 66754593.

It is an arithmetic number, because the mean of its divisors is an integer number (39471705).

Almost surely, 2^4472555520 is an apocalyptic number.

4472555520 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 4472555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7578567360).

4472555520 is an abundant number, since it is smaller than the sum of its proper divisors (10684579200).

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

4472555520 is a wasteful number, since it uses less digits than its factorization.

4472555520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 39.

The square root of 4472555520 is about 66877.1674041298. The cubic root of 4472555520 is about 1647.6004938535.

The spelling of 4472555520 in words is "four billion, four hundred seventy-two million, five hundred fifty-five thousand, five hundred twenty".