842154180 has 192 divisors, whose sum is σ = 2778316800. Its totient is φ = 190512000.

The previous prime is 842154179. The next prime is 842154191. The reversal of 842154180 is 81451248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3107445 + ... + 3107715.

It is an arithmetic number, because the mean of its divisors is an integer number (14470400).

Almost surely, 2^842154180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842154180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389158400).

842154180 is an abundant number, since it is smaller than the sum of its proper divisors (1936162620).

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

842154180 is a wasteful number, since it uses less digits than its factorization.

842154180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 842154180 is about 29019.8928323314. The cubic root of 842154180 is about 944.3446759766.

The spelling of 842154180 in words is "eight hundred forty-two million, one hundred fifty-four thousand, one hundred eighty".