528674440 has 32 divisors (see below), whose sum is σ = 1359449280. Its totient is φ = 181259712.

The previous prime is 528674429. The next prime is 528674441. The reversal of 528674440 is 44476825.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 528674393 and 528674402.

It is not an unprimeable number, because it can be changed into a prime (528674441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943782 + ... + 944341.

It is an arithmetic number, because the mean of its divisors is an integer number (42482790).

Almost surely, 2^528674440 is an apocalyptic number.

It is an amenable number.

528674440 is an abundant number, since it is smaller than the sum of its proper divisors (830774840).

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

528674440 is a wasteful number, since it uses less digits than its factorization.

528674440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888141 (or 1888137 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 528674440 is about 22992.9215194590. The cubic root of 528674440 is about 808.5919958214.

The spelling of 528674440 in words is "five hundred twenty-eight million, six hundred seventy-four thousand, four hundred forty".