320242494000 has 480 divisors, whose sum is σ = 1219669221888. Its totient is φ = 71660160000.

The previous prime is 320242493999. The next prime is 320242494001. The reversal of 320242494000 is 494242023.

It is an interprime number because it is at equal distance from previous prime (320242493999) and next prime (320242494001).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (320242494001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11139645 + ... + 11168355.

Almost surely, 2^320242494000 is an apocalyptic number.

320242494000 is a gapful number since it is divisible by the number (30) 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 320242494000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609834610944).

320242494000 is an abundant number, since it is smaller than the sum of its proper divisors (899426727888).

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

320242494000 is a wasteful number, since it uses less digits than its factorization.

320242494000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28774 (or 28745 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 320242494000 in words is "three hundred twenty billion, two hundred forty-two million, four hundred ninety-four thousand".