842109632 has 56 divisors (see below), whose sum is σ = 2056705056. Its totient is φ = 333139968.

The previous prime is 842109623. The next prime is 842109643. The reversal of 842109632 is 236901248.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 842109592 and 842109601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66473 + ... + 78120.

It is an arithmetic number, because the mean of its divisors is an integer number (36726876).

Almost surely, 2^842109632 is an apocalyptic number.

It is an amenable number.

842109632 is an abundant number, since it is smaller than the sum of its proper divisors (1214595424).

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

842109632 is a wasteful number, since it uses less digits than its factorization.

842109632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144625 (or 144615 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 842109632 is about 29019.1252797185. The cubic root of 842109632 is about 944.3280244696.

The spelling of 842109632 in words is "eight hundred forty-two million, one hundred nine thousand, six hundred thirty-two".