266626005030 has 192 divisors, whose sum is σ = 864639360000. Its totient is φ = 55380015360.

The previous prime is 266626004947. The next prime is 266626005043. The reversal of 266626005030 is 30500626662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20776656 + ... + 20789484.

It is an arithmetic number, because the mean of its divisors is an integer number (4503330000).

Almost surely, 2^266626005030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266626005030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432319680000).

266626005030 is an abundant number, since it is smaller than the sum of its proper divisors (598013354970).

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

266626005030 is a wasteful number, since it uses less digits than its factorization.

266626005030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15859 (or 15856 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 266626005030 in words is "two hundred sixty-six billion, six hundred twenty-six million, five thousand, thirty".