4525691220 has 72 divisors (see below), whose sum is σ = 13746620160. Its totient is φ = 1205208000.

The previous prime is 4525691197. The next prime is 4525691221. The reversal of 4525691220 is 221965254.

4525691220 is a `hidden beast` number, since 4 + 525 + 6 + 9 + 122 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4525691221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118441 + ... + 151919.

It is an arithmetic number, because the mean of its divisors is an integer number (190925280).

Almost surely, 2^4525691220 is an apocalyptic number.

It is an amenable number.

4525691220 is an abundant number, since it is smaller than the sum of its proper divisors (9220928940).

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

4525691220 is a wasteful number, since it uses less digits than its factorization.

4525691220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34245 (or 34240 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 4525691220 is about 67273.2578369741. The cubic root of 4525691220 is about 1654.0995360189.

The spelling of 4525691220 in words is "four billion, five hundred twenty-five million, six hundred ninety-one thousand, two hundred twenty".