80305530 has 32 divisors (see below), whose sum is σ = 195614784. Its totient is φ = 21094656.

The previous prime is 80305523. The next prime is 80305541. The reversal of 80305530 is 3550308.

It is a self number, because there is not a number n which added to its sum of digits gives 80305530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17967 + ... + 21986.

It is an arithmetic number, because the mean of its divisors is an integer number (6112962).

Almost surely, 2^80305530 is an apocalyptic number.

80305530 is an abundant number, since it is smaller than the sum of its proper divisors (115309254).

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

80305530 is a wasteful number, since it uses less digits than its factorization.

80305530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40030.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 80305530 is about 8961.3352799680. The cubic root of 80305530 is about 431.4347781995.

Adding to 80305530 its reverse (3550308), we get a palindrome (83855838).

The spelling of 80305530 in words is "eighty million, three hundred five thousand, five hundred thirty".