80326400 has 216 divisors, whose sum is σ = 249400704. Its totient is φ = 24883200.

The previous prime is 80326369. The next prime is 80326409. The reversal of 80326400 is 462308.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80326409) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 492719 + ... + 492881.

Almost surely, 2^80326400 is an apocalyptic number.

80326400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80326400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124700352).

80326400 is an abundant number, since it is smaller than the sum of its proper divisors (169074304).

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

80326400 is a wasteful number, since it uses less digits than its factorization.

80326400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 80326400 is about 8962.4996513250. The cubic root of 80326400 is about 431.4721490751.

Adding to 80326400 its reverse (462308), we get a palindrome (80788708).

The spelling of 80326400 in words is "eighty million, three hundred twenty-six thousand, four hundred".