8520440075 has 48 divisors (see below), whose sum is σ = 12225913920. Its totient is φ = 5769792000.

The previous prime is 8520440063. The next prime is 8520440077. The reversal of 8520440075 is 5700440258.

It is not a de Polignac number, because 8520440075 - 2⁴ = 8520440059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (8520440077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8030045 + ... + 8031105.

It is an arithmetic number, because the mean of its divisors is an integer number (254706540).

Almost surely, 2^8520440075 is an apocalyptic number.

8520440075 is a deficient number, since it is larger than the sum of its proper divisors (3705473845).

8520440075 is a wasteful number, since it uses less digits than its factorization.

8520440075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 8520440075 is about 92306.2298818449. The cubic root of 8520440075 is about 2042.4621107826.

The spelling of 8520440075 in words is "eight billion, five hundred twenty million, four hundred forty thousand, seventy-five".