80815334000 has 40 divisors (see below), whose sum is σ = 195411482448. Its totient is φ = 32326132800.

The previous prime is 80815333999. The next prime is 80815334003. The reversal of 80815334000 is 43351808.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×80815334000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80815334003) 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, 20201834 + ... + 20205833.

Almost surely, 2^80815334000 is an apocalyptic number.

80815334000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80815334000 is an abundant number, since it is smaller than the sum of its proper divisors (114596148448).

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

80815334000 is a wasteful number, since it uses less digits than its factorization.

80815334000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40407690 (or 40407674 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 80815334000 its reverse (43351808), we get a palindrome (80858685808).

The spelling of 80815334000 in words is "eighty billion, eight hundred fifteen million, three hundred thirty-four thousand".