827144450 has 24 divisors (see below), whose sum is σ = 1678352400. Its totient is φ = 300779600.

The previous prime is 827144441. The next prime is 827144453. The reversal of 827144450 is 54441728.

It is a self number, because there is not a number n which added to its sum of digits gives 827144450.

It is not an unprimeable number, because it can be changed into a prime (827144453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 751400 + ... + 752499.

It is an arithmetic number, because the mean of its divisors is an integer number (69931350).

Almost surely, 2^827144450 is an apocalyptic number.

827144450 is an abundant number, since it is smaller than the sum of its proper divisors (851207950).

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

827144450 is a wasteful number, since it uses less digits than its factorization.

827144450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503922 (or 1503917 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 827144450 is about 28760.1190887660. The cubic root of 827144450 is about 938.7006530786.

The spelling of 827144450 in words is "eight hundred twenty-seven million, one hundred forty-four thousand, four hundred fifty".