4021326416 has 20 divisors (see below), whose sum is σ = 7798009824. Its totient is φ = 2008936800.

The previous prime is 4021326403. The next prime is 4021326431. The reversal of 4021326416 is 6146231204.

It is a super-2 number, since 2×4021326416² = 32342132288038810112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 88580 + ... + 126051.

Almost surely, 2^4021326416 is an apocalyptic number.

It is an amenable number.

4021326416 is a deficient number, since it is larger than the sum of its proper divisors (3776683408).

4021326416 is a wasteful number, since it uses less digits than its factorization.

4021326416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215810 (or 215804 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 4021326416 is about 63413.9291954063. The cubic root of 4021326416 is about 1590.2171843141.

The spelling of 4021326416 in words is "four billion, twenty-one million, three hundred twenty-six thousand, four hundred sixteen".