4171840842 has 16 divisors (see below), whose sum is σ = 8985503520. Its totient is φ = 1283643312.

The previous prime is 4171840823. The next prime is 4171840843. The reversal of 4171840842 is 2480481714.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 4171840842.

It is not an unprimeable number, because it can be changed into a prime (4171840843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26742492 + ... + 26742647.

It is an arithmetic number, because the mean of its divisors is an integer number (561593970).

Almost surely, 2^4171840842 is an apocalyptic number.

4171840842 is an abundant number, since it is smaller than the sum of its proper divisors (4813662678).

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

4171840842 is a wasteful number, since it uses less digits than its factorization.

4171840842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53485157.

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 4171840842 is about 64589.7889917594. The cubic root of 4171840842 is about 1609.8147803334.

The spelling of 4171840842 in words is "four billion, one hundred seventy-one million, eight hundred forty thousand, eight hundred forty-two".