80168240 has 40 divisors (see below), whose sum is σ = 187102608. Its totient is φ = 31944960.

The previous prime is 80168237. The next prime is 80168251. The reversal of 80168240 is 4286108.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20870 + ... + 24410.

Almost surely, 2^80168240 is an apocalyptic number.

80168240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80168240 is an abundant number, since it is smaller than the sum of its proper divisors (106934368).

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

80168240 is a wasteful number, since it uses less digits than its factorization.

80168240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837 (or 3831 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 80168240 is about 8953.6718724778. The cubic root of 80168240 is about 431.1887782587.

It can be divided in two parts, 80168 and 240, that added together give a palindrome (80408).

The spelling of 80168240 in words is "eighty million, one hundred sixty-eight thousand, two hundred forty".