44199740068 has 36 divisors (see below), whose sum is σ = 85149814876. Its totient is φ = 20060251200.

The previous prime is 44199740063. The next prime is 44199740093. The reversal of 44199740068 is 86004799144.

It can be written as a sum of positive squares in 2 ways, for example, as 19725640704 + 24474099364 = 140448^2 + 156442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44199739997 and 44199740024.

It is not an unprimeable number, because it can be changed into a prime (44199740063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250846 + ... + 389002.

Almost surely, 2^44199740068 is an apocalyptic number.

It is an amenable number.

44199740068 is a deficient number, since it is larger than the sum of its proper divisors (40950074808).

44199740068 is a wasteful number, since it uses less digits than its factorization.

44199740068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138844 (or 138831 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 44199740068 in words is "forty-four billion, one hundred ninety-nine million, seven hundred forty thousand, sixty-eight".