4025435220 has 36 divisors (see below), whose sum is σ = 12210487380. Its totient is φ = 1073449344.

The previous prime is 4025435213. The next prime is 4025435221. The reversal of 4025435220 is 225345204.

It is a happy number.

4025435220 is a `hidden beast` number, since 4 + 0 + 2 + 5 + 435 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2836840644 + 1188594576 = 53262^2 + 34476^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025435221) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11181585 + ... + 11181944.

It is an arithmetic number, because the mean of its divisors is an integer number (339180205).

Almost surely, 2^4025435220 is an apocalyptic number.

It is an amenable number.

4025435220 is an abundant number, since it is smaller than the sum of its proper divisors (8185052160).

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

4025435220 is a wasteful number, since it uses less digits than its factorization.

4025435220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22363544 (or 22363539 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 4025435220 is about 63446.3176236415. The cubic root of 4025435220 is about 1590.7586032368.

The spelling of 4025435220 in words is "four billion, twenty-five million, four hundred thirty-five thousand, two hundred twenty".