4172881842 has 12 divisors (see below), whose sum is σ = 9041244030. Its totient is φ = 1390960608.

The previous prime is 4172881841. The next prime is 4172881847. The reversal of 4172881842 is 2481882714.

It can be written as a sum of positive squares in only one way, i.e., 2329124121 + 1843757721 = 48261^2 + 42939^2 .

It is not an unprimeable number, because it can be changed into a prime (4172881841) 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 5 ways as a sum of consecutive naturals, for example, 115913367 + ... + 115913402.

Almost surely, 2^4172881842 is an apocalyptic number.

4172881842 is an abundant number, since it is smaller than the sum of its proper divisors (4868362188).

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

4172881842 is a wasteful number, since it uses less digits than its factorization.

4172881842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231826777 (or 231826774 counting only the distinct ones).

The product of its digits is 229376, while the sum is 45.

The square root of 4172881842 is about 64597.8470384269. The cubic root of 4172881842 is about 1609.9486682964.

The spelling of 4172881842 in words is "four billion, one hundred seventy-two million, eight hundred eighty-one thousand, eight hundred forty-two".