4235644266 has 64 divisors (see below), whose sum is σ = 10005037056. Its totient is φ = 1169827200.

The previous prime is 4235644253. The next prime is 4235644291. The reversal of 4235644266 is 6624465324.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966246 + ... + 1968398.

It is an arithmetic number, because the mean of its divisors is an integer number (156328704).

Almost surely, 2^4235644266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4235644266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5002518528).

4235644266 is an abundant number, since it is smaller than the sum of its proper divisors (5769392790).

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

4235644266 is a wasteful number, since it uses less digits than its factorization.

4235644266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707.

The product of its digits is 829440, while the sum is 42.

The square root of 4235644266 is about 65081.8274635862. The cubic root of 4235644266 is about 1617.9800391539.

The spelling of 4235644266 in words is "four billion, two hundred thirty-five million, six hundred forty-four thousand, two hundred sixty-six".