4520528040 has 64 divisors (see below), whose sum is σ = 15498956160. Its totient is φ = 1033263360.

The previous prime is 4520528017. The next prime is 4520528069. The reversal of 4520528040 is 408250254.

It is a super-3 number, since 3×4520528040³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4520527989 and 4520528007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2689951 + ... + 2691630.

It is an arithmetic number, because the mean of its divisors is an integer number (242171190).

Almost surely, 2^4520528040 is an apocalyptic number.

4520528040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4520528040 is an abundant number, since it is smaller than the sum of its proper divisors (10978428120).

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

4520528040 is a wasteful number, since it uses less digits than its factorization.

4520528040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381602 (or 5381598 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 4520528040 is about 67234.8722018567. The cubic root of 4520528040 is about 1653.4702646662.

Adding to 4520528040 its reverse (408250254), we get a palindrome (4928778294).

The spelling of 4520528040 in words is "four billion, five hundred twenty million, five hundred twenty-eight thousand, forty".