4021302656 has 32 divisors (see below), whose sum is σ = 9155646480. Its totient is φ = 1723415040.

The previous prime is 4021302653. The next prime is 4021302667. The reversal of 4021302656 is 6562031204.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021302653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243135 + ... + 2244926.

Almost surely, 2^4021302656 is an apocalyptic number.

It is an amenable number.

4021302656 is an abundant number, since it is smaller than the sum of its proper divisors (5134343824).

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

4021302656 is an equidigital number, since it uses as much as digits as its factorization.

4021302656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488082 (or 4488070 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 4021302656 is about 63413.7418545854. The cubic root of 4021302656 is about 1590.2140523761.

The spelling of 4021302656 in words is "four billion, twenty-one million, three hundred two thousand, six hundred fifty-six".