8363522440 has 64 divisors (see below), whose sum is σ = 23160533760. Its totient is φ = 2646915840.

The previous prime is 8363522423. The next prime is 8363522443. The reversal of 8363522440 is 442253638.

It is a self number, because there is not a number n which added to its sum of digits gives 8363522440.

It is not an unprimeable number, because it can be changed into a prime (8363522443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145196 + ... + 1152475.

It is an arithmetic number, because the mean of its divisors is an integer number (361883340).

Almost surely, 2^8363522440 is an apocalyptic number.

It is an amenable number.

8363522440 is an abundant number, since it is smaller than the sum of its proper divisors (14797011320).

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

8363522440 is a wasteful number, since it uses less digits than its factorization.

8363522440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297702 (or 2297698 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 8363522440 is about 91452.2959799261. The cubic root of 8363522440 is about 2029.8459313455.

The spelling of 8363522440 in words is "eight billion, three hundred sixty-three million, five hundred twenty-two thousand, four hundred forty".