80326896400 has 135 divisors (see below), whose sum is σ = 198861374271. Its totient is φ = 31180734720.

The previous prime is 80326896389. The next prime is 80326896421. The reversal of 80326896400 is 469862308.

It is a happy number.

The square root of 80326896400 is 283420.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7625480976 + 72701415424 = 87324^2 + 269632^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 209730609 + ... + 209730991.

Almost surely, 2^80326896400 is an apocalyptic number.

80326896400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

80326896400 is the 283420-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80326896400

80326896400 is an abundant number, since it is smaller than the sum of its proper divisors (118534477871).

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

80326896400 is an equidigital number, since it uses as much as digits as its factorization.

80326896400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 80326896400 in words is "eighty billion, three hundred twenty-six million, eight hundred ninety-six thousand, four hundred".