843484281980 has 48 divisors (see below), whose sum is σ = 1807825958400. Its totient is φ = 330485529600.

The previous prime is 843484281977. The next prime is 843484281989. The reversal of 843484281980 is 89182484348.

843484281980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×843484281980² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843484281989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140380 + ... + 1728419.

It is an arithmetic number, because the mean of its divisors is an integer number (37663040800).

Almost surely, 2^843484281980 is an apocalyptic number.

It is an amenable number.

843484281980 is an abundant number, since it is smaller than the sum of its proper divisors (964341676420).

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

843484281980 is a wasteful number, since it uses less digits than its factorization.

843484281980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869110 (or 2869108 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 59.

The spelling of 843484281980 in words is "eight hundred forty-three billion, four hundred eighty-four million, two hundred eighty-one thousand, nine hundred eighty".