44543400353221 has 32 divisors (see below), whose sum is σ = 55749353932800. Its totient is φ = 34574956975680.

The previous prime is 44543400353203. The next prime is 44543400353227. The reversal of 44543400353221 is 12235300434544.

It is not a de Polignac number, because 44543400353221 - 2¹⁵ = 44543400320453 is a prime.

It is a super-2 number, since 2×44543400353221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44543400353227) 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 31 ways as a sum of consecutive naturals, for example, 362613750 + ... + 362736568.

It is an arithmetic number, because the mean of its divisors is an integer number (1742167310400).

Almost surely, 2^{44543400353221} is an apocalyptic number.

It is an amenable number.

44543400353221 is a deficient number, since it is larger than the sum of its proper divisors (11205953579579).

44543400353221 is a wasteful number, since it uses less digits than its factorization.

44543400353221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141009.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 44543400353221 its reverse (12235300434544), we get a palindrome (56778700787765).

The spelling of 44543400353221 in words is "forty-four trillion, five hundred forty-three billion, four hundred million, three hundred fifty-three thousand, two hundred twenty-one".