4252568220 has 144 divisors (see below), whose sum is σ = 14016737280. Its totient is φ = 1039651200.

The previous prime is 4252568219. The next prime is 4252568263. The reversal of 4252568220 is 228652524.

4252568220 is a `hidden beast` number, since 42 + 52 + 568 + 2 + 2 + 0 = 666.

It is a super-3 number, since 3×4252568220³ (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85965 + ... + 126075.

Almost surely, 2^4252568220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4252568220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7008368640).

4252568220 is an abundant number, since it is smaller than the sum of its proper divisors (9764169060).

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

4252568220 is a wasteful number, since it uses less digits than its factorization.

4252568220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40176 (or 40171 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 4252568220 is about 65211.7184254487. The cubic root of 4252568220 is about 1620.1321108539.

The spelling of 4252568220 in words is "four billion, two hundred fifty-two million, five hundred sixty-eight thousand, two hundred twenty".