44304168981 has 4 divisors (see below), whose sum is σ = 59072225312. Its totient is φ = 29536112652.

The previous prime is 44304168977. The next prime is 44304168983. The reversal of 44304168981 is 18986140344.

44304168981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44304168981 - 2² = 44304168977 is a prime.

It is a super-2 number, since 2×44304168981² (a number of 22 digits) 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 44304168981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44304168983) 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, 7384028161 + ... + 7384028166.

It is an arithmetic number, because the mean of its divisors is an integer number (14768056328).

Almost surely, 2^44304168981 is an apocalyptic number.

It is an amenable number.

44304168981 is a deficient number, since it is larger than the sum of its proper divisors (14768056331).

44304168981 is a wasteful number, since it uses less digits than its factorization.

44304168981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14768056330.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 44304168981 in words is "forty-four billion, three hundred four million, one hundred sixty-eight thousand, nine hundred eighty-one".