4021326152 has 8 divisors (see below), whose sum is σ = 7539986550. Its totient is φ = 2010663072.

The previous prime is 4021326121. The next prime is 4021326163. The reversal of 4021326152 is 2516231204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2989246276 + 1032079876 = 54674^2 + 32126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251332877 + ... + 251332892.

Almost surely, 2^4021326152 is an apocalyptic number.

It is an amenable number.

4021326152 is a deficient number, since it is larger than the sum of its proper divisors (3518660398).

4021326152 is a wasteful number, since it uses less digits than its factorization.

4021326152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502665775 (or 502665771 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4021326152 is about 63413.9271138446. The cubic root of 4021326152 is about 1590.2171495149.

Adding to 4021326152 its reverse (2516231204), we get a palindrome (6537557356).

The spelling of 4021326152 in words is "four billion, twenty-one million, three hundred twenty-six thousand, one hundred fifty-two".