1000172300800 has 120 divisors (see below), whose sum is σ = 2478923517312. Its totient is φ = 399920640000.

The previous prime is 1000172300779. The next prime is 1000172300833. The reversal of 1000172300800 is 80032710001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38527825 + ... + 38553775.

Almost surely, 2^{1000172300800} is an apocalyptic number.

1000172300800 is a gapful number since it is divisible by the number (10) 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 1000172300800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239461758656).

1000172300800 is an abundant number, since it is smaller than the sum of its proper divisors (1478751216512).

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

1000172300800 is an equidigital number, since it uses as much as digits as its factorization.

1000172300800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28990 (or 28969 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The spelling of 1000172300800 in words is "one trillion, one hundred seventy-two million, three hundred thousand, eight hundred".