4441185972 has 72 divisors (see below), whose sum is σ = 11430534024. Its totient is φ = 1453648896.

The previous prime is 4441185967. The next prime is 4441185997. The reversal of 4441185972 is 2795811444.

4441185972 is a `hidden beast` number, since 4 + 4 + 41 + 18 + 597 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 632321316 + 3808864656 = 25146^2 + 61716^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 608698 + ... + 615950.

It is an arithmetic number, because the mean of its divisors is an integer number (158757417).

Almost surely, 2^4441185972 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 4441185972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5715267012).

4441185972 is an abundant number, since it is smaller than the sum of its proper divisors (6989348052).

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

4441185972 is a wasteful number, since it uses less digits than its factorization.

4441185972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569 (or 7564 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 4441185972 is about 66642.2236423726. The cubic root of 4441185972 is about 1643.7394804476.

The spelling of 4441185972 in words is "four billion, four hundred forty-one million, one hundred eighty-five thousand, nine hundred seventy-two".