266980030488 has 192 divisors, whose sum is σ = 786617395200. Its totient is φ = 81577368000.

The previous prime is 266980030487. The next prime is 266980030523. The reversal of 266980030488 is 884030089662.

266980030488 is a `hidden beast` number, since 26 + 69 + 80 + 0 + 3 + 0 + 488 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266980030487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40750813 + ... + 40757363.

It is an arithmetic number, because the mean of its divisors is an integer number (4096965600).

Almost surely, 2^266980030488 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 266980030488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393308697600).

266980030488 is an abundant number, since it is smaller than the sum of its proper divisors (519637364712).

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

266980030488 is a wasteful number, since it uses less digits than its factorization.

266980030488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675 (or 6606 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 266980030488 in words is "two hundred sixty-six billion, nine hundred eighty million, thirty thousand, four hundred eighty-eight".