9818278920000 has 840 divisors, whose sum is σ = 36698774208096. Its totient is φ = 2601725184000.

The previous prime is 9818278919963. The next prime is 9818278920031. The reversal of 9818278920000 is 298728189.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1584356902 + ... + 1584363098.

Almost surely, 2^{9818278920000} is an apocalyptic number.

9818278920000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9818278920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18349387104048).

9818278920000 is an abundant number, since it is smaller than the sum of its proper divisors (26880495288096).

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

9818278920000 is an equidigital number, since it uses as much as digits as its factorization.

9818278920000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407 (or 6370 counting only the distinct ones).

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

The spelling of 9818278920000 in words is "nine trillion, eight hundred eighteen billion, two hundred seventy-eight million, nine hundred twenty thousand".