80611240 has 32 divisors (see below), whose sum is σ = 185597280. Its totient is φ = 31493952.

The previous prime is 80611189. The next prime is 80611241. The reversal of 80611240 is 4211608.

It is not an unprimeable number, because it can be changed into a prime (80611241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21714 + ... + 25153.

It is an arithmetic number, because the mean of its divisors is an integer number (5799915).

Almost surely, 2^80611240 is an apocalyptic number.

It is an amenable number.

80611240 is an abundant number, since it is smaller than the sum of its proper divisors (104986040).

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

80611240 is a wasteful number, since it uses less digits than its factorization.

80611240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46921 (or 46917 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 80611240 is about 8978.3762451793. The cubic root of 80611240 is about 431.9815521386.

Adding to 80611240 its reverse (4211608), we get a palindrome (84822848).

The spelling of 80611240 in words is "eighty million, six hundred eleven thousand, two hundred forty".