266426401230 has 320 divisors, whose sum is σ = 831940243200. Its totient is φ = 60497902080.

The previous prime is 266426401223. The next prime is 266426401231. The reversal of 266426401230 is 32104624662.

266426401230 is a `hidden beast` number, since 2 + 6 + 6 + 4 + 2 + 640 + 1 + 2 + 3 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266426401231) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 15057969 + ... + 15075651.

It is an arithmetic number, because the mean of its divisors is an integer number (2599813260).

Almost surely, 2^266426401230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266426401230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415970121600).

266426401230 is an abundant number, since it is smaller than the sum of its proper divisors (565513841970).

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

266426401230 is a wasteful number, since it uses less digits than its factorization.

266426401230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17821 (or 17812 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 266426401230 in words is "two hundred sixty-six billion, four hundred twenty-six million, four hundred one thousand, two hundred thirty".