43422173404280 has 128 divisors (see below), whose sum is σ = 107325637148160. Its totient is φ = 15679742400000.

The previous prime is 43422173404261. The next prime is 43422173404289. The reversal of 43422173404280 is 8240437122434.

It is a happy number.

43422173404280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43422173404280² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43422173404289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189305822 + ... + 189535058.

It is an arithmetic number, because the mean of its divisors is an integer number (838481540220).

Almost surely, 2^{43422173404280} is an apocalyptic number.

43422173404280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43422173404280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53662818574080).

43422173404280 is an abundant number, since it is smaller than the sum of its proper divisors (63903463743880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43422173404280 is a wasteful number, since it uses less digits than its factorization.

43422173404280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232261 (or 232257 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 44.

The spelling of 43422173404280 in words is "forty-three trillion, four hundred twenty-two billion, one hundred seventy-three million, four hundred four thousand, two hundred eighty".