4021856746 has 8 divisors (see below), whose sum is σ = 6033845664. Its totient is φ = 2010574860.

The previous prime is 4021856681. The next prime is 4021856791. The reversal of 4021856746 is 6476581204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162300 + ... + 185431.

It is an arithmetic number, because the mean of its divisors is an integer number (754230708).

Almost surely, 2^4021856746 is an apocalyptic number.

4021856746 is a deficient number, since it is larger than the sum of its proper divisors (2011988918).

4021856746 is a wasteful number, since it uses less digits than its factorization.

4021856746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353516.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 4021856746 is about 63418.1105521128. The cubic root of 4021856746 is about 1590.2870868555.

The spelling of 4021856746 in words is "four billion, twenty-one million, eight hundred fifty-six thousand, seven hundred forty-six".