4235856920 has 32 divisors (see below), whose sum is σ = 9566132400. Its totient is φ = 1688039808.

The previous prime is 4235856917. The next prime is 4235856929. The reversal of 4235856920 is 296585324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4235856929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186074 + ... + 207593.

Almost surely, 2^4235856920 is an apocalyptic number.

4235856920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4235856920 is an abundant number, since it is smaller than the sum of its proper divisors (5330275480).

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

4235856920 is a wasteful number, since it uses less digits than its factorization.

4235856920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393947 (or 393943 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 4235856920 is about 65083.4611863874. The cubic root of 4235856920 is about 1618.0071160398.

The spelling of 4235856920 in words is "four billion, two hundred thirty-five million, eight hundred fifty-six thousand, nine hundred twenty".