4021234500 has 48 divisors (see below), whose sum is σ = 11709839232. Its totient is φ = 1072328800.

The previous prime is 4021234487. The next prime is 4021234513. The reversal of 4021234500 is 54321204.

It is an interprime number because it is at equal distance from previous prime (4021234487) and next prime (4021234513).

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 15 ways as a sum of consecutive naturals, for example, 1338912 + ... + 1341911.

It is an arithmetic number, because the mean of its divisors is an integer number (243954984).

Almost surely, 2^4021234500 is an apocalyptic number.

It is an amenable number.

4021234500 is an abundant number, since it is smaller than the sum of its proper divisors (7688604732).

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

4021234500 is a wasteful number, since it uses less digits than its factorization.

4021234500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680845 (or 2680833 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4021234500 is about 63413.2044609007. The cubic root of 4021234500 is about 1590.2050682856.

Adding to 4021234500 its reverse (54321204), we get a palindrome (4075555704).

The spelling of 4021234500 in words is "four billion, twenty-one million, two hundred thirty-four thousand, five hundred".