266446342101030 has 256 divisors, whose sum is σ = 821308168912896. Its totient is φ = 53769913781760.

The previous prime is 266446342100921. The next prime is 266446342101041. The reversal of 266446342101030 is 30101243644662.

266446342101030 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 2×266446342101030² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1176006217 + ... + 1176232763.

It is an arithmetic number, because the mean of its divisors is an integer number (3208235034816).

Almost surely, 2^{266446342101030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266446342101030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410654084456448).

266446342101030 is an abundant number, since it is smaller than the sum of its proper divisors (554861826811866).

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

266446342101030 is a wasteful number, since it uses less digits than its factorization.

266446342101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245331.

The product of its (nonzero) digits is 497664, while the sum is 42.

Adding to 266446342101030 its reverse (30101243644662), we get a palindrome (296547585745692).

The spelling of 266446342101030 in words is "two hundred sixty-six trillion, four hundred forty-six billion, three hundred forty-two million, one hundred one thousand, thirty".