80340534 has 12 divisors (see below), whose sum is σ = 174071196. Its totient is φ = 26780172.

The previous prime is 80340529. The next prime is 80340553. The reversal of 80340534 is 43504308.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80340498 and 80340507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2231664 + ... + 2231699.

It is an arithmetic number, because the mean of its divisors is an integer number (14505933).

Almost surely, 2^80340534 is an apocalyptic number.

80340534 is an abundant number, since it is smaller than the sum of its proper divisors (93730662).

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

80340534 is a wasteful number, since it uses less digits than its factorization.

80340534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463371 (or 4463368 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 80340534 is about 8963.2881243437. The cubic root of 80340534 is about 431.4974544530.

The spelling of 80340534 in words is "eighty million, three hundred forty thousand, five hundred thirty-four".