842054490 has 96 divisors (see below), whose sum is σ = 2237751360. Its totient is φ = 219624192.

The previous prime is 842054441. The next prime is 842054537. The reversal of 842054490 is 94450248.

842054490 is a `hidden beast` number, since 8 + 4 + 20 + 544 + 90 = 666.

842054490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1842342 + ... + 1842798.

It is an arithmetic number, because the mean of its divisors is an integer number (23309910).

Almost surely, 2^842054490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842054490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118875680).

842054490 is an abundant number, since it is smaller than the sum of its proper divisors (1395696870).

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

842054490 is a wasteful number, since it uses less digits than its factorization.

842054490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 842054490 is about 29018.1751666089. The cubic root of 842054490 is about 944.3074122395.

The spelling of 842054490 in words is "eight hundred forty-two million, fifty-four thousand, four hundred ninety".