44255990108381 has 4 divisors (see below), whose sum is σ = 44268573560892. Its totient is φ = 44243406655872.

The previous prime is 44255990108329. The next prime is 44255990108459. The reversal of 44255990108381 is 18380109955244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31533278702500 + 12722711405881 = 5615450^2 + 3566891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44255990108381 is a prime.

It is a super-5 number, since 5×44255990108381⁵ (a number of 69 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

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 44255990108381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44255990108321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6291720980 + ... + 6291728013.

It is an arithmetic number, because the mean of its divisors is an integer number (11067143390223).

Almost surely, 2^{44255990108381} is an apocalyptic number.

It is an amenable number.

44255990108381 is a deficient number, since it is larger than the sum of its proper divisors (12583452511).

44255990108381 is a wasteful number, since it uses less digits than its factorization.

44255990108381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12583452510.

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 44255990108381 in words is "forty-four trillion, two hundred fifty-five billion, nine hundred ninety million, one hundred eight thousand, three hundred eighty-one".