4042021165210 has 16 divisors (see below), whose sum is σ = 8315014968576. Its totient is φ = 1385835828048.

The previous prime is 4042021165177. The next prime is 4042021165267. The reversal of 4042021165210 is 125611202404.

It is a super-2 number, since 2×4042021165210² (a number of 26 digits) contains 22 as substring.

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, 28871579682 + ... + 28871579821.

It is an arithmetic number, because the mean of its divisors is an integer number (519688435536).

Almost surely, 2^{4042021165210} is an apocalyptic number.

4042021165210 is an abundant number, since it is smaller than the sum of its proper divisors (4272993803366).

4042021165210 is a wasteful number, since it uses less digits than its factorization.

4042021165210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57743159517.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 4042021165210 its reverse (125611202404), we get a palindrome (4167632367614).

The spelling of 4042021165210 in words is "four trillion, forty-two billion, twenty-one million, one hundred sixty-five thousand, two hundred ten".