44426862457 has 2 divisors, whose sum is σ = 44426862458. Its totient is φ = 44426862456.

The previous prime is 44426862443. The next prime is 44426862463. The reversal of 44426862457 is 75426862444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35692277776 + 8734584681 = 188924^2 + 93459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44426862457 is a prime.

It is a super-2 number, since 2×44426862457² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44426862497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22213431228 + 22213431229.

It is an arithmetic number, because the mean of its divisors is an integer number (22213431229).

Almost surely, 2^44426862457 is an apocalyptic number.

It is an amenable number.

44426862457 is a deficient number, since it is larger than the sum of its proper divisors (1).

44426862457 is an equidigital number, since it uses as much as digits as its factorization.

44426862457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10321920, while the sum is 52.

The spelling of 44426862457 in words is "forty-four billion, four hundred twenty-six million, eight hundred sixty-two thousand, four hundred fifty-seven".