4021284900 has 72 divisors (see below), whose sum is σ = 11854491264. Its totient is φ = 1052105600.

The previous prime is 4021284899. The next prime is 4021284901. The reversal of 4021284900 is 94821204.

It is an interprime number because it is at equal distance from previous prime (4021284899) and next prime (4021284901).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4021284901) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 110556 + ... + 142355.

It is an arithmetic number, because the mean of its divisors is an integer number (164645712).

Almost surely, 2^4021284900 is an apocalyptic number.

It is an amenable number.

4021284900 is an abundant number, since it is smaller than the sum of its proper divisors (7833206364).

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

4021284900 is a wasteful number, since it uses less digits than its factorization.

4021284900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252981 (or 252974 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 4021284900 is about 63413.6018532302. The cubic root of 4021284900 is about 1590.2117118508.

The spelling of 4021284900 in words is "four billion, twenty-one million, two hundred eighty-four thousand, nine hundred".