80445960 has 160 divisors (see below), whose sum is σ = 309101760. Its totient is φ = 18382464.

The previous prime is 80445947. The next prime is 80445979. The reversal of 80445960 is 6954408.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20907 + ... + 24453.

It is an arithmetic number, because the mean of its divisors is an integer number (1931886).

Almost surely, 2^80445960 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 80445960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154550880).

80445960 is an abundant number, since it is smaller than the sum of its proper divisors (228655800).

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

80445960 is a wasteful number, since it uses less digits than its factorization.

80445960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577 (or 3564 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 80445960 is about 8969.1671854192. The cubic root of 80445960 is about 431.6861145829.

It can be divided in two parts, 804 and 45960, that added together give a palindrome (46764).

The spelling of 80445960 in words is "eighty million, four hundred forty-five thousand, nine hundred sixty".