44000040039997 has 2 divisors, whose sum is σ = 44000040039998. Its totient is φ = 44000040039996.

The previous prime is 44000040039941. The next prime is 44000040040027. The reversal of 44000040039997 is 79993004000044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39340568106436 + 4659471933561 = 6272206^2 + 2158581^2 .

It is a cyclic number.

It is not a de Polignac number, because 44000040039997 - 2¹¹ = 44000040037949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44000040039997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44000040039097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22000020019998 + 22000020019999.

It is an arithmetic number, because the mean of its divisors is an integer number (22000020019999).

Almost surely, 2^{44000040039997} is an apocalyptic number.

It is an amenable number.

44000040039997 is a deficient number, since it is larger than the sum of its proper divisors (1).

44000040039997 is an equidigital number, since it uses as much as digits as its factorization.

44000040039997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 44000040039997 in words is "forty-four trillion, forty million, thirty-nine thousand, nine hundred ninety-seven".