43422131442 has 32 divisors (see below), whose sum is σ = 92101914432. Its totient is φ = 13600530944.

The previous prime is 43422131399. The next prime is 43422131453. The reversal of 43422131442 is 24413122434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282048 + ... + 407915.

It is an arithmetic number, because the mean of its divisors is an integer number (2878184826).

Almost surely, 2^43422131442 is an apocalyptic number.

43422131442 is an abundant number, since it is smaller than the sum of its proper divisors (48679782990).

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

43422131442 is a wasteful number, since it uses less digits than its factorization.

43422131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690602.

The product of its digits is 18432, while the sum is 30.

Adding to 43422131442 its reverse (24413122434), we get a palindrome (67835253876).

The spelling of 43422131442 in words is "forty-three billion, four hundred twenty-two million, one hundred thirty-one thousand, four hundred forty-two".