4102243420 has 24 divisors (see below), whose sum is σ = 9397867248. Its totient is φ = 1491724800.

The previous prime is 4102243399. The next prime is 4102243433. The reversal of 4102243420 is 243422014.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4102243391 and 4102243400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9323061 + ... + 9323500.

It is an arithmetic number, because the mean of its divisors is an integer number (391577802).

Almost surely, 2^4102243420 is an apocalyptic number.

It is an amenable number.

4102243420 is an abundant number, since it is smaller than the sum of its proper divisors (5295623828).

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

4102243420 is a wasteful number, since it uses less digits than its factorization.

4102243420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18646581 (or 18646579 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4102243420 is about 64048.7581456503. The cubic root of 4102243420 is about 1600.8125326119.

Adding to 4102243420 its reverse (243422014), we get a palindrome (4345665434).

The spelling of 4102243420 in words is "four billion, one hundred two million, two hundred forty-three thousand, four hundred twenty".