4528525720 has 16 divisors (see below), whose sum is σ = 10189182960. Its totient is φ = 1811410272.

The previous prime is 4528525691. The next prime is 4528525723. The reversal of 4528525720 is 275258254.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 113213143 = 4528525720 / (4 + 5 + 2 + 8 + 5 + 2 + 5 + 7 + 2 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528525723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56606532 + ... + 56606611.

It is an arithmetic number, because the mean of its divisors is an integer number (636823935).

Almost surely, 2^4528525720 is an apocalyptic number.

4528525720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4528525720 is an abundant number, since it is smaller than the sum of its proper divisors (5660657240).

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

4528525720 is a wasteful number, since it uses less digits than its factorization.

4528525720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113213154 (or 113213150 counting only the distinct ones).

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

The square root of 4528525720 is about 67294.3216029406. The cubic root of 4528525720 is about 1654.4447920557. Note that the first 3 decimals are identical.

The spelling of 4528525720 in words is "four billion, five hundred twenty-eight million, five hundred twenty-five thousand, seven hundred twenty".