4021836402 has 8 divisors (see below), whose sum is σ = 8043672816. Its totient is φ = 1340612132.

The previous prime is 4021836391. The next prime is 4021836461. The reversal of 4021836402 is 2046381204.

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

4021836402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 4021836402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335153028 + ... + 335153039.

It is an arithmetic number, because the mean of its divisors is an integer number (1005459102).

Almost surely, 2^4021836402 is an apocalyptic number.

4021836402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4021836402 is a wasteful number, since it uses less digits than its factorization.

4021836402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670306072.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 4021836402 is about 63417.9501560875. The cubic root of 4021836402 is about 1590.2844054360.

The spelling of 4021836402 in words is "four billion, twenty-one million, eight hundred thirty-six thousand, four hundred two".