80040260 has 12 divisors (see below), whose sum is σ = 168084588. Its totient is φ = 32016096.

The previous prime is 80040239. The next prime is 80040263. The reversal of 80040260 is 6204008.

It can be written as a sum of positive squares in 2 ways, for example, as 20811844 + 59228416 = 4562^2 + 7696^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 4002013 = 80040260 / (8 + 0 + 0 + 4 + 0 + 2 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (80040263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000987 + ... + 2001026.

It is an arithmetic number, because the mean of its divisors is an integer number (14007049).

Almost surely, 2^80040260 is an apocalyptic number.

It is an amenable number.

80040260 is an abundant number, since it is smaller than the sum of its proper divisors (88044328).

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

80040260 is a wasteful number, since it uses less digits than its factorization.

80040260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002022 (or 4002020 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 80040260 is about 8946.5222293358. The cubic root of 80040260 is about 430.9592071684.

Adding to 80040260 its reverse (6204008), we get a palindrome (86244268).

The spelling of 80040260 in words is "eighty million, forty thousand, two hundred sixty".