4397955552 has 144 divisors (see below), whose sum is σ = 12810273840. Its totient is φ = 1430784000.

The previous prime is 4397955547. The next prime is 4397955563. The reversal of 4397955552 is 2555597934.

4397955552 is a `hidden beast` number, since 4 + 39 + 7 + 9 + 55 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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, 2441052 + ... + 2442852.

It is an arithmetic number, because the mean of its divisors is an integer number (88960235).

Almost surely, 2^4397955552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4397955552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6405136920).

4397955552 is an abundant number, since it is smaller than the sum of its proper divisors (8412318288).

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

4397955552 is a wasteful number, since it uses less digits than its factorization.

4397955552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2006 counting only the distinct ones).

The product of its digits is 8505000, while the sum is 54.

The square root of 4397955552 is about 66317.0834099329. The cubic root of 4397955552 is about 1638.3887049532.

The spelling of 4397955552 in words is "four billion, three hundred ninety-seven million, nine hundred fifty-five thousand, five hundred fifty-two".