8405508450 has 48 divisors (see below), whose sum is σ = 21156815520. Its totient is φ = 2208011520.

The previous prime is 8405508431. The next prime is 8405508457. The reversal of 8405508450 is 548055048.

It is a junction number, because it is equal to n+sod(n) for n = 8405508399 and 8405508408.

It is not an unprimeable number, because it can be changed into a prime (8405508457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408135 + ... + 428234.

It is an arithmetic number, because the mean of its divisors is an integer number (440766990).

Almost surely, 2^8405508450 is an apocalyptic number.

8405508450 is an abundant number, since it is smaller than the sum of its proper divisors (12751307070).

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

8405508450 is a wasteful number, since it uses less digits than its factorization.

8405508450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836451 (or 836446 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The square root of 8405508450 is about 91681.5600325387. The cubic root of 8405508450 is about 2033.2369632429.

The spelling of 8405508450 in words is "eight billion, four hundred five million, five hundred eight thousand, four hundred fifty".