842240016 has 60 divisors (see below), whose sum is σ = 2367487980. Its totient is φ = 279509760.

The previous prime is 842239987. The next prime is 842240029. The reversal of 842240016 is 610042248.

It can be written as a sum of positive squares in 2 ways, for example, as 611078400 + 231161616 = 24720^2 + 15204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20206 + ... + 45746.

It is an arithmetic number, because the mean of its divisors is an integer number (39458133).

Almost surely, 2^842240016 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 842240016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183743990).

842240016 is an abundant number, since it is smaller than the sum of its proper divisors (1525247964).

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

842240016 is a wasteful number, since it uses less digits than its factorization.

842240016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25784 (or 25775 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 842240016 is about 29021.3717112062. The cubic root of 842240016 is about 944.3767587858.

The spelling of 842240016 in words is "eight hundred forty-two million, two hundred forty thousand, sixteen".