44266897609 has 27 divisors (see below), whose sum is σ = 50358834183. Its totient is φ = 38881365600.

The previous prime is 44266897607. The next prime is 44266897613. The reversal of 44266897609 is 90679866244.

The square root of 44266897609 is 210397.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1281998025 + 42984899584 = 35805^2 + 207328^2 .

It is not a de Polignac number, because 44266897609 - 2¹ = 44266897607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44266897603) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 71745069 + ... + 71745685.

Almost surely, 2^44266897609 is an apocalyptic number.

44266897609 is the 210397-th square number.

44266897609 is the 105199-th centered octagonal number.

It is an amenable number.

44266897609 is a deficient number, since it is larger than the sum of its proper divisors (6091936574).

44266897609 is an frugal number, since it uses more digits than its factorization.

44266897609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 44266897609 in words is "forty-four billion, two hundred sixty-six million, eight hundred ninety-seven thousand, six hundred nine".