4021936630 has 128 divisors (see below), whose sum is σ = 8234265600. Its totient is φ = 1408264704.

The previous prime is 4021936627. The next prime is 4021936631. The reversal of 4021936630 is 366391204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021936631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10611781 + ... + 10612159.

It is an arithmetic number, because the mean of its divisors is an integer number (64330200).

Almost surely, 2^4021936630 is an apocalyptic number.

4021936630 is an abundant number, since it is smaller than the sum of its proper divisors (4212328970).

4021936630 is a wasteful number, since it uses less digits than its factorization.

4021936630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 4021936630 is about 63418.7403690739. The cubic root of 4021936630 is about 1590.2976157945.

The spelling of 4021936630 in words is "four billion, twenty-one million, nine hundred thirty-six thousand, six hundred thirty".