4427723520 has 576 divisors, whose sum is σ = 18072230400. Its totient is φ = 1015234560.

The previous prime is 4427723497. The next prime is 4427723551. The reversal of 4427723520 is 253277244.

It is a happy number.

4427723520 is a `hidden beast` number, since 4 + 42 + 77 + 23 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×4427723520² = 39209471139122380800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7222734 + ... + 7223346.

It is an arithmetic number, because the mean of its divisors is an integer number (31375400).

Almost surely, 2^4427723520 is an apocalyptic number.

4427723520 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 4427723520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9036115200).

4427723520 is an abundant number, since it is smaller than the sum of its proper divisors (13644506880).

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

4427723520 is a wasteful number, since it uses less digits than its factorization.

4427723520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 4427723520 is about 66541.1415591888. The cubic root of 4427723520 is about 1642.0769244564.

The spelling of 4427723520 in words is "four billion, four hundred twenty-seven million, seven hundred twenty-three thousand, five hundred twenty".