798981840000 has 640 divisors, whose sum is σ = 2975088916800. Its totient is φ = 211009536000.

The previous prime is 798981839969. The next prime is 798981840031. The reversal of 798981840000 is 48189897.

It is an interprime number because it is at equal distance from previous prime (798981839969) and next prime (798981840031).

It is a tau number, because it is divible by the number of its divisors (640).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 231118272 + ... + 231121728.

Almost surely, 2^798981840000 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 798981840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487544458400).

798981840000 is an abundant number, since it is smaller than the sum of its proper divisors (2176107076800).

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

798981840000 is a wasteful number, since it uses less digits than its factorization.

798981840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3574 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 798981840000 in words is "seven hundred ninety-eight billion, nine hundred eighty-one million, eight hundred forty thousand".