80481456 has 180 divisors, whose sum is σ = 257275200. Its totient is φ = 23443200.

The previous prime is 80481449. The next prime is 80481463. The reversal of 80481456 is 65418408.

It is an interprime number because it is at equal distance from previous prime (80481449) and next prime (80481463).

It is a Smith number, since the sum of its digits (36) 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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 80481456.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 540070 + ... + 540218.

Almost surely, 2^80481456 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 80481456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128637600).

80481456 is an abundant number, since it is smaller than the sum of its proper divisors (176793744).

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

80481456 is a wasteful number, since it uses less digits than its factorization.

80481456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 80481456 is about 8971.1457462244. The cubic root of 80481456 is about 431.7495976845.

The spelling of 80481456 in words is "eighty million, four hundred eighty-one thousand, four hundred fifty-six".