7998842016 has 360 divisors, whose sum is σ = 26427050496. Its totient is φ = 2353639680.

The previous prime is 7998841999. The next prime is 7998842017. The reversal of 7998842016 is 6102488997.

It is a super-3 number, since 3×7998842016³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (7998842017) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 62982945 + ... + 62983071.

Almost surely, 2^7998842016 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 7998842016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13213525248).

7998842016 is an abundant number, since it is smaller than the sum of its proper divisors (18428208480).

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

7998842016 is a wasteful number, since it uses less digits than its factorization.

7998842016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 7998842016 is about 89436.2455383722. The cubic root of 7998842016 is about 1999.9034966770.

The spelling of 7998842016 in words is "seven billion, nine hundred ninety-eight million, eight hundred forty-two thousand, sixteen".