4528040 has 64 divisors (see below), whose sum is σ = 11430720. Its totient is φ = 1600000.

The previous prime is 4528021. The next prime is 4528087. The reversal of 4528040 is 408254.

It is a junction number, because it is equal to n+sod(n) for n = 4527997 and 4528015.

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, 17915 + ... + 18165.

It is an arithmetic number, because the mean of its divisors is an integer number (178605).

Almost surely, 2^4528040 is an apocalyptic number.

4528040 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 4528040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5715360).

4528040 is an abundant number, since it is smaller than the sum of its proper divisors (6902680).

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

4528040 is a wasteful number, since it uses less digits than its factorization.

4528040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4528040 is about 2127.9191713973. The cubic root of 4528040 is about 165.4385639202.

The spelling of 4528040 in words is "four million, five hundred twenty-eight thousand, forty".