842446436988 has 192 divisors, whose sum is σ = 2342814630912. Its totient is φ = 232968130560.

The previous prime is 842446436959. The next prime is 842446437013. The reversal of 842446436988 is 889634644248.

842446436988 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 37379283 + ... + 37401813.

It is an arithmetic number, because the mean of its divisors is an integer number (12202159536).

Almost surely, 2^842446436988 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 842446436988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171407315456).

842446436988 is an abundant number, since it is smaller than the sum of its proper divisors (1500368193924).

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

842446436988 is a wasteful number, since it uses less digits than its factorization.

842446436988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23204 (or 23202 counting only the distinct ones).

The product of its digits is 254803968, while the sum is 66.

The spelling of 842446436988 in words is "eight hundred forty-two billion, four hundred forty-six million, four hundred thirty-six thousand, nine hundred eighty-eight".