80012560 has 40 divisors (see below), whose sum is σ = 186445656. Its totient is φ = 31933440.

The previous prime is 80012533. The next prime is 80012609. The reversal of 80012560 is 6521008.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1937664 + 78074896 = 1392^2 + 8836^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48550 + ... + 50170.

Almost surely, 2^80012560 is an apocalyptic number.

80012560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80012560 is an abundant number, since it is smaller than the sum of its proper divisors (106433096).

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

80012560 is a wasteful number, since it uses less digits than its factorization.

80012560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251 (or 2245 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 80012560 is about 8944.9740077878. The cubic root of 80012560 is about 430.9094865761.

Adding to 80012560 its reverse (6521008), we get a palindrome (86533568).

The spelling of 80012560 in words is "eighty million, twelve thousand, five hundred sixty".