80468140 has 48 divisors (see below), whose sum is σ = 179734464. Its totient is φ = 30156800.

The previous prime is 80468137. The next prime is 80468147. The reversal of 80468140 is 4186408.

It is not an unprimeable number, because it can be changed into a prime (80468147) 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, 105360 + ... + 106120.

It is an arithmetic number, because the mean of its divisors is an integer number (3744468).

Almost surely, 2^80468140 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 80468140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89867232).

80468140 is an abundant number, since it is smaller than the sum of its proper divisors (99266324).

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

80468140 is a wasteful number, since it uses less digits than its factorization.

80468140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 80468140 is about 8970.4035583690. The cubic root of 80468140 is about 431.7257847672.

It can be divided in two parts, 80468 and 140, that added together give a palindrome (80608).

The spelling of 80468140 in words is "eighty million, four hundred sixty-eight thousand, one hundred forty".