44299893281 has 16 divisors (see below), whose sum is σ = 52017627264. Its totient is φ = 36930276864.

The previous prime is 44299893257. The next prime is 44299893293. The reversal of 44299893281 is 18239899244.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44299893281 is a prime.

It is a super-2 number, since 2×44299893281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44299893281.

It is not an unprimeable number, because it can be changed into a prime (44299892281) 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, 638606 + ... + 704568.

It is an arithmetic number, because the mean of its divisors is an integer number (3251101704).

Almost surely, 2^44299893281 is an apocalyptic number.

It is an amenable number.

44299893281 is a deficient number, since it is larger than the sum of its proper divisors (7717733983).

44299893281 is a wasteful number, since it uses less digits than its factorization.

44299893281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68600.

The product of its digits is 8957952, while the sum is 59.

The spelling of 44299893281 in words is "forty-four billion, two hundred ninety-nine million, eight hundred ninety-three thousand, two hundred eighty-one".