80336400 has 60 divisors (see below), whose sum is σ = 257348112. Its totient is φ = 21422720.

The previous prime is 80336387. The next prime is 80336411. The reversal of 80336400 is 463308.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 11 ways as a sum of consecutive naturals, for example, 32274 + ... + 34673.

Almost surely, 2^80336400 is an apocalyptic number.

80336400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80336400 is an abundant number, since it is smaller than the sum of its proper divisors (177011712).

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

80336400 is a wasteful number, since it uses less digits than its factorization.

80336400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66968 (or 66957 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 80336400 is about 8963.0575140406. The cubic root of 80336400 is about 431.4900532862.

Adding to 80336400 its reverse (463308), we get a palindrome (80799708).

The spelling of 80336400 in words is "eighty million, three hundred thirty-six thousand, four hundred".