4285520745 has 32 divisors (see below), whose sum is σ = 7682359680. Its totient is φ = 2021667840.

The previous prime is 4285520731. The next prime is 4285520761. The reversal of 4285520745 is 5470255824.

It is not a de Polignac number, because 4285520745 - 2¹¹ = 4285518697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4285520697 and 4285520706.

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, 344880 + ... + 357089.

It is an arithmetic number, because the mean of its divisors is an integer number (240073740).

Almost surely, 2^4285520745 is an apocalyptic number.

It is an amenable number.

4285520745 is a deficient number, since it is larger than the sum of its proper divisors (3396838935).

4285520745 is a wasteful number, since it uses less digits than its factorization.

4285520745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702025.

The product of its (nonzero) digits is 448000, while the sum is 42.

The square root of 4285520745 is about 65463.8888624866. Note that the first 4 decimals coincide. The cubic root of 4285520745 is about 1624.3060699433.

The spelling of 4285520745 in words is "four billion, two hundred eighty-five million, five hundred twenty thousand, seven hundred forty-five".