80312460 has 48 divisors (see below), whose sum is σ = 227598336. Its totient is φ = 21157312.

The previous prime is 80312447. The next prime is 80312461. The reversal of 80312460 is 6421308.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80312460.

It is not an unprimeable number, because it can be changed into a prime (80312461) 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, 3084 + ... + 13043.

It is an arithmetic number, because the mean of its divisors is an integer number (4741632).

Almost surely, 2^80312460 is an apocalyptic number.

It is an amenable number.

80312460 is an abundant number, since it is smaller than the sum of its proper divisors (147285876).

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

80312460 is a wasteful number, since it uses less digits than its factorization.

80312460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16222 (or 16220 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 80312460 is about 8961.7219327538. The cubic root of 80312460 is about 431.4471881253.

Subtracting from 80312460 its product of nonzero digits (1152), we obtain a palindrome (80311308).

Adding to 80312460 its reverse (6421308), we get a palindrome (86733768).

The spelling of 80312460 in words is "eighty million, three hundred twelve thousand, four hundred sixty".