842045912 has 8 divisors (see below), whose sum is σ = 1578836100. Its totient is φ = 421022952.

The previous prime is 842045899. The next prime is 842045947. The reversal of 842045912 is 219540248.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52627862 + ... + 52627877.

Almost surely, 2^842045912 is an apocalyptic number.

It is an amenable number.

842045912 is a deficient number, since it is larger than the sum of its proper divisors (736790188).

842045912 is a wasteful number, since it uses less digits than its factorization.

842045912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105255745 (or 105255741 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 842045912 is about 29018.0273623139. The cubic root of 842045912 is about 944.3042056788.

The spelling of 842045912 in words is "eight hundred forty-two million, forty-five thousand, nine hundred twelve".