4285525720 has 128 divisors (see below), whose sum is σ = 11339274240. Its totient is φ = 1427351040.

The previous prime is 4285525693. The next prime is 4285525771. The reversal of 4285525720 is 275255824.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 1416129 + ... + 1419151.

It is an arithmetic number, because the mean of its divisors is an integer number (88588080).

Almost surely, 2^4285525720 is an apocalyptic number.

4285525720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4285525720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5669637120).

4285525720 is an abundant number, since it is smaller than the sum of its proper divisors (7053748520).

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

4285525720 is a wasteful number, since it uses less digits than its factorization.

4285525720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 4285525720 is about 65463.9268605237. The cubic root of 4285525720 is about 1624.3066984876.

The spelling of 4285525720 in words is "four billion, two hundred eighty-five million, five hundred twenty-five thousand, seven hundred twenty".