80543460 has 48 divisors (see below), whose sum is σ = 227771712. Its totient is φ = 21264000.

The previous prime is 80543453. The next prime is 80543471. The reversal of 80543460 is 6434508.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586 + ... + 12705.

It is an arithmetic number, because the mean of its divisors is an integer number (4745244).

Almost surely, 2^80543460 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 80543460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113885856).

80543460 is an abundant number, since it is smaller than the sum of its proper divisors (147228252).

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

80543460 is a wasteful number, since it uses less digits than its factorization.

80543460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13404 (or 13402 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 80543460 is about 8974.6008267778. The cubic root of 80543460 is about 431.8604444626.

Adding to 80543460 its reverse (6434508), we get a palindrome (86977968).

It can be divided in two parts, 80543 and 460, that added together give a triangular number (81003 = T₄₀₂).

The spelling of 80543460 in words is "eighty million, five hundred forty-three thousand, four hundred sixty".