840233998980 has 384 divisors, whose sum is σ = 2692472832000. Its totient is φ = 217458017280.

The previous prime is 840233998979. The next prime is 840233998997. The reversal of 840233998980 is 89899332048.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1136987451 + ... + 1136988189.

It is an arithmetic number, because the mean of its divisors is an integer number (7011648000).

Almost surely, 2^840233998980 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 840233998980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346236416000).

840233998980 is an abundant number, since it is smaller than the sum of its proper divisors (1852238833020).

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

840233998980 is a wasteful number, since it uses less digits than its factorization.

840233998980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 840233998980 in words is "eight hundred forty billion, two hundred thirty-three million, nine hundred ninety-eight thousand, nine hundred eighty".