80133340 has 48 divisors (see below), whose sum is σ = 195213312. Its totient is φ = 27061056.

The previous prime is 80133337. The next prime is 80133343. The reversal of 80133340 is 4333108.

It is an interprime number because it is at equal distance from previous prime (80133337) and next prime (80133343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80133343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5109 + ... + 13651.

It is an arithmetic number, because the mean of its divisors is an integer number (4066944).

Almost surely, 2^80133340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80133340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97606656).

80133340 is an abundant number, since it is smaller than the sum of its proper divisors (115079972).

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

80133340 is a wasteful number, since it uses less digits than its factorization.

80133340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8626 (or 8624 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 80133340 is about 8951.7227392273. The cubic root of 80133340 is about 431.1261987276.

Adding to 80133340 its reverse (4333108), we get a palindrome (84466448).

The spelling of 80133340 in words is "eighty million, one hundred thirty-three thousand, three hundred forty".