44250133421 has 6 divisors (see below), whose sum is σ = 47915825130. Its totient is φ = 40846276848.

The previous prime is 44250133379. The next prime is 44250133423. The reversal of 44250133421 is 12433105244.

It can be written as a sum of positive squares in 3 ways, for example, as 3901376521 + 40348756900 = 62461^2 + 200870^2 .

It is not a de Polignac number, because 44250133421 - 2¹⁸ = 44249871277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44250133423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130917386 + ... + 130917723.

It is an arithmetic number, because the mean of its divisors is an integer number (7985970855).

Almost surely, 2^44250133421 is an apocalyptic number.

It is an amenable number.

44250133421 is a deficient number, since it is larger than the sum of its proper divisors (3665691709).

44250133421 is a wasteful number, since it uses less digits than its factorization.

44250133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261835135 (or 261835122 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 44250133421 its reverse (12433105244), we get a palindrome (56683238665).

The spelling of 44250133421 in words is "forty-four billion, two hundred fifty million, one hundred thirty-three thousand, four hundred twenty-one".