4021210402 has 32 divisors (see below), whose sum is σ = 6779816064. Its totient is φ = 1773187200.

The previous prime is 4021210399. The next prime is 4021210439. The reversal of 4021210402 is 2040121204.

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, 77443 + ... + 118489.

It is an arithmetic number, because the mean of its divisors is an integer number (211869252).

Almost surely, 2^4021210402 is an apocalyptic number.

4021210402 is a deficient number, since it is larger than the sum of its proper divisors (2758605662).

4021210402 is a wasteful number, since it uses less digits than its factorization.

4021210402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41194.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4021210402 is about 63413.0144528708. The cubic root of 4021210402 is about 1590.2018917455.

Adding to 4021210402 its reverse (2040121204), we get a palindrome (6061331606).

The spelling of 4021210402 in words is "four billion, twenty-one million, two hundred ten thousand, four hundred two".