44310251421 has 10 divisors (see below), whose sum is σ = 66191857182. Its totient is φ = 29540167560.

The previous prime is 44310251389. The next prime is 44310251459. The reversal of 44310251421 is 12415201344.

44310251421 is a `hidden beast` number, since 4 + 43 + 102 + 514 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30945735396 + 13364516025 = 175914^2 + 115605^2 .

It is not a de Polignac number, because 44310251421 - 2⁵ = 44310251389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44310252421) 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 in 9 ways as a sum of consecutive naturals, for example, 273519990 + ... + 273520151.

Almost surely, 2^44310251421 is an apocalyptic number.

It is an amenable number.

44310251421 is a deficient number, since it is larger than the sum of its proper divisors (21881605761).

44310251421 is an equidigital number, since it uses as much as digits as its factorization.

44310251421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547040153 (or 547040144 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 44310251421 its reverse (12415201344), we get a palindrome (56725452765).

The spelling of 44310251421 in words is "forty-four billion, three hundred ten million, two hundred fifty-one thousand, four hundred twenty-one".