44472160421 has 16 divisors (see below), whose sum is σ = 48734036736. Its totient is φ = 40334702976.

The previous prime is 44472160391. The next prime is 44472160489. The reversal of 44472160421 is 12406127444.

It is a cyclic number.

It is not a de Polignac number, because 44472160421 - 2¹⁴ = 44472144037 is a prime.

It is a super-2 number, since 2×44472160421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44472169421) 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 15 ways as a sum of consecutive naturals, for example, 160496 + ... + 338678.

It is an arithmetic number, because the mean of its divisors is an integer number (3045877296).

Almost surely, 2^44472160421 is an apocalyptic number.

It is an amenable number.

44472160421 is a deficient number, since it is larger than the sum of its proper divisors (4261876315).

44472160421 is a wasteful number, since it uses less digits than its factorization.

44472160421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178532.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 44472160421 its reverse (12406127444), we get a palindrome (56878287865).

The spelling of 44472160421 in words is "forty-four billion, four hundred seventy-two million, one hundred sixty thousand, four hundred twenty-one".