80465990250 has 128 divisors (see below), whose sum is σ = 203469926400. Its totient is φ = 21177868800.

The previous prime is 80465990221. The next prime is 80465990323. The reversal of 80465990250 is 5209956408.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80465990250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72556696 + ... + 72557804.

It is an arithmetic number, because the mean of its divisors is an integer number (1589608800).

Almost surely, 2^80465990250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80465990250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101734963200).

80465990250 is an abundant number, since it is smaller than the sum of its proper divisors (123003936150).

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

80465990250 is a wasteful number, since it uses less digits than its factorization.

80465990250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2295 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 80465990250 in words is "eighty billion, four hundred sixty-five million, nine hundred ninety thousand, two hundred fifty".