172313870400 has 1344 divisors, whose sum is σ = 759683520000. Its totient is φ = 37933056000.

The previous prime is 172313870381. The next prime is 172313870411. The reversal of 172313870400 is 4078313271.

172313870400 is a `hidden beast` number, since 1 + 7 + 231 + 387 + 0 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

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 191 ways as a sum of consecutive naturals, for example, 429710200 + ... + 429710600.

Almost surely, 2^172313870400 is an apocalyptic number.

172313870400 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 172313870400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379841760000).

172313870400 is an abundant number, since it is smaller than the sum of its proper divisors (587369649600).

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

172313870400 is a wasteful number, since it uses less digits than its factorization.

172313870400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 172313870400 in words is "one hundred seventy-two billion, three hundred thirteen million, eight hundred seventy thousand, four hundred".