4344913872 has 480 divisors, whose sum is σ = 14559068160. Its totient is φ = 1244782080.

The previous prime is 4344913829. The next prime is 4344913879. The reversal of 4344913872 is 2783194434.

4344913872 is a `hidden beast` number, since 4 + 3 + 449 + 138 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4344913879) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73642579 + ... + 73642637.

It is an arithmetic number, because the mean of its divisors is an integer number (30331392).

Almost surely, 2^4344913872 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 4344913872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7279534080).

4344913872 is an abundant number, since it is smaller than the sum of its proper divisors (10214154288).

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

4344913872 is a wasteful number, since it uses less digits than its factorization.

4344913872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 155 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 4344913872 is about 65915.9606772138. The cubic root of 4344913872 is about 1631.7754340662.

The spelling of 4344913872 in words is "four billion, three hundred forty-four million, nine hundred thirteen thousand, eight hundred seventy-two".