183997284480 has 256 divisors, whose sum is σ = 665525030400. Its totient is φ = 48021774336.

The previous prime is 183997284473. The next prime is 183997284539. The reversal of 183997284480 is 84482799381.

183997284480 is a `hidden beast` number, since 1 + 8 + 3 + 9 + 9 + 72 + 84 + 480 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698884 + ... + 925436.

It is an arithmetic number, because the mean of its divisors is an integer number (2599707150).

Almost surely, 2^183997284480 is an apocalyptic number.

183997284480 is a gapful number since it is divisible by the number (10) 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 183997284480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332762515200).

183997284480 is an abundant number, since it is smaller than the sum of its proper divisors (481527745920).

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

183997284480 is a wasteful number, since it uses less digits than its factorization.

183997284480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226628 (or 226610 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 183997284480 in words is "one hundred eighty-three billion, nine hundred ninety-seven million, two hundred eighty-four thousand, four hundred eighty".