450162780 has 96 divisors (see below), whose sum is σ = 1333075968. Its totient is φ = 113318400.

The previous prime is 450162773. The next prime is 450162799. The reversal of 450162780 is 87261054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73309 + ... + 79211.

It is an arithmetic number, because the mean of its divisors is an integer number (13886208).

Almost surely, 2^450162780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450162780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666537984).

450162780 is an abundant number, since it is smaller than the sum of its proper divisors (882913188).

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

450162780 is a wasteful number, since it uses less digits than its factorization.

450162780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987 (or 5985 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 450162780 is about 21217.0398500828. The cubic root of 450162780 is about 766.4018211429.

The spelling of 450162780 in words is "four hundred fifty million, one hundred sixty-two thousand, seven hundred eighty".