80452590 has 32 divisors (see below), whose sum is σ = 193729536. Its totient is φ = 21382560.

The previous prime is 80452543. The next prime is 80452601. The reversal of 80452590 is 9525408.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5019 + ... + 13641.

It is an arithmetic number, because the mean of its divisors is an integer number (6054048).

Almost surely, 2^80452590 is an apocalyptic number.

80452590 is an abundant number, since it is smaller than the sum of its proper divisors (113276946).

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

80452590 is a wasteful number, since it uses less digits than its factorization.

80452590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8944.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 80452590 is about 8969.5367773369. The cubic root of 80452590 is about 431.6979734768.

Adding to 80452590 its reverse (9525408), we get a palindrome (89977998).

The spelling of 80452590 in words is "eighty million, four hundred fifty-two thousand, five hundred ninety".