80365340 has 24 divisors (see below), whose sum is σ = 184110192. Its totient is φ = 29223680.

The previous prime is 80365333. The next prime is 80365343. The reversal of 80365340 is 4356308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80365343) 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, 182429 + ... + 182868.

It is an arithmetic number, because the mean of its divisors is an integer number (7671258).

Almost surely, 2^80365340 is an apocalyptic number.

It is an amenable number.

80365340 is an abundant number, since it is smaller than the sum of its proper divisors (103744852).

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

80365340 is a wasteful number, since it uses less digits than its factorization.

80365340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365317 (or 365315 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 80365340 is about 8964.6717731326. The cubic root of 80365340 is about 431.5418597026.

The spelling of 80365340 in words is "eighty million, three hundred sixty-five thousand, three hundred forty".