4394244235572 has 18 divisors (see below), whose sum is σ = 11107672928898. Its totient is φ = 1464748078512.

The previous prime is 4394244235571. The next prime is 4394244235583. The reversal of 4394244235572 is 2755324424934.

4394244235572 is a `hidden beast` number, since 4 + 3 + 9 + 4 + 2 + 44 + 23 + 5 + 572 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4257347195556 + 136897040016 = 2063334^2 + 369996^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394244235571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61031169903 + ... + 61031169974.

Almost surely, 2^{4394244235572} is an apocalyptic number.

It is an amenable number.

4394244235572 is an abundant number, since it is smaller than the sum of its proper divisors (6713428693326).

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

4394244235572 is a wasteful number, since it uses less digits than its factorization.

4394244235572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122062339887 (or 122062339882 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 54.

The spelling of 4394244235572 in words is "four trillion, three hundred ninety-four billion, two hundred forty-four million, two hundred thirty-five thousand, five hundred seventy-two".