80021460 has 24 divisors (see below), whose sum is σ = 224060256. Its totient is φ = 21339040.

The previous prime is 80021453. The next prime is 80021477. The reversal of 80021460 is 6412008.

It is a congruent number.

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, 666786 + ... + 666905.

It is an arithmetic number, because the mean of its divisors is an integer number (9335844).

Almost surely, 2^80021460 is an apocalyptic number.

It is an amenable number.

80021460 is an abundant number, since it is smaller than the sum of its proper divisors (144038796).

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

80021460 is a wasteful number, since it uses less digits than its factorization.

80021460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333703 (or 1333701 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 80021460 is about 8945.4714800283. The cubic root of 80021460 is about 430.9254630355.

Adding to 80021460 its reverse (6412008), we get a palindrome (86433468).

The spelling of 80021460 in words is "eighty million, twenty-one thousand, four hundred sixty".