8401224528 has 80 divisors (see below), whose sum is σ = 25383841600. Its totient is φ = 2653015680.

The previous prime is 8401224527. The next prime is 8401224569. The reversal of 8401224528 is 8254221048.

8401224528 is a `hidden beast` number, since 8 + 4 + 0 + 122 + 4 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8401224492 and 8401224501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8401224521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503563 + ... + 519978.

It is an arithmetic number, because the mean of its divisors is an integer number (317298020).

Almost surely, 2^8401224528 is an apocalyptic number.

It is an amenable number.

8401224528 is an abundant number, since it is smaller than the sum of its proper divisors (16982617072).

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

8401224528 is a wasteful number, since it uses less digits than its factorization.

8401224528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023577 (or 1023565 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 8401224528 is about 91658.1940035914. The cubic root of 8401224528 is about 2032.8914870682.

The spelling of 8401224528 in words is "eight billion, four hundred one million, two hundred twenty-four thousand, five hundred twenty-eight".