4445434261 has 16 divisors (see below), whose sum is σ = 4736832048. Its totient is φ = 4157440000.

The previous prime is 4445434247. The next prime is 4445434277. The reversal of 4445434261 is 1624345444.

It can be written as a sum of positive squares in 8 ways, for example, as 1251036900 + 3194397361 = 35370^2 + 56519^2 .

It is a cyclic number.

It is not a de Polignac number, because 4445434261 - 2¹¹ = 4445432213 is a prime.

It is a super-2 number, since 2×4445434261² = 39523771537745232242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4445434261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445434241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775861 + ... + 2777461.

It is an arithmetic number, because the mean of its divisors is an integer number (296052003).

Almost surely, 2^4445434261 is an apocalyptic number.

It is an amenable number.

4445434261 is a deficient number, since it is larger than the sum of its proper divisors (291397787).

4445434261 is a wasteful number, since it uses less digits than its factorization.

4445434261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552.

The product of its digits is 184320, while the sum is 37.

The square root of 4445434261 is about 66674.0898775529. The cubic root of 4445434261 is about 1644.2634287042.

The spelling of 4445434261 in words is "four billion, four hundred forty-five million, four hundred thirty-four thousand, two hundred sixty-one".