842747371200 has 672 divisors, whose sum is σ = 3695816230400. Its totient is φ = 182488412160.

The previous prime is 842747371199. The next prime is 842747371273. The reversal of 842747371200 is 2173747248.

842747371200 is a `hidden beast` number, since 8 + 4 + 2 + 74 + 7 + 371 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-3 number, since 3×842747371200³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 5672262 + ... + 5818938.

Almost surely, 2^842747371200 is an apocalyptic number.

842747371200 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 842747371200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1847908115200).

842747371200 is an abundant number, since it is smaller than the sum of its proper divisors (2853068859200).

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

842747371200 is a wasteful number, since it uses less digits than its factorization.

842747371200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146734 (or 146713 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 842747371200 in words is "eight hundred forty-two billion, seven hundred forty-seven million, three hundred seventy-one thousand, two hundred".