80728452000 has 576 divisors, whose sum is σ = 330551020800. Its totient is φ = 18276710400.

The previous prime is 80728451971. The next prime is 80728452017. The reversal of 80728452000 is 25482708.

It is a happy number.

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 95 ways as a sum of consecutive naturals, for example, 27466531 + ... + 27469469.

It is an arithmetic number, because the mean of its divisors is an integer number (573873300).

Almost surely, 2^80728452000 is an apocalyptic number.

80728452000 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 80728452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165275510400).

80728452000 is an abundant number, since it is smaller than the sum of its proper divisors (249822568800).

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

80728452000 is a wasteful number, since it uses less digits than its factorization.

80728452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 80728452000 in words is "eighty billion, seven hundred twenty-eight million, four hundred fifty-two thousand".