266731104 has 48 divisors (see below), whose sum is σ = 702112320. Its totient is φ = 88663680.

The previous prime is 266731103. The next prime is 266731111. The reversal of 266731104 is 401137662.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×266731104² = 142290963682117632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266731103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32719 + ... + 40049.

It is an arithmetic number, because the mean of its divisors is an integer number (14627340).

Almost surely, 2^266731104 is an apocalyptic number.

266731104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

266731104 is an abundant number, since it is smaller than the sum of its proper divisors (435381216).

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

266731104 is a wasteful number, since it uses less digits than its factorization.

266731104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723 (or 7715 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 266731104 is about 16331.9044817192. The cubic root of 266731104 is about 643.7114301962.

Adding to 266731104 its reverse (401137662), we get a palindrome (667868766).

The spelling of 266731104 in words is "two hundred sixty-six million, seven hundred thirty-one thousand, one hundred four".