266027904 has 96 divisors (see below), whose sum is σ = 792019800. Its totient is φ = 85607424.

The previous prime is 266027903. The next prime is 266027921. The reversal of 266027904 is 409720662.

It is a happy number.

266027904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266027903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29427 + ... + 37389.

Almost surely, 2^266027904 is an apocalyptic number.

266027904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266027904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396009900).

266027904 is an abundant number, since it is smaller than the sum of its proper divisors (525991896).

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

266027904 is a wasteful number, since it uses less digits than its factorization.

266027904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8012 (or 7997 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 266027904 is about 16310.3618598730. The cubic root of 266027904 is about 643.1452466943.

The spelling of 266027904 in words is "two hundred sixty-six million, twenty-seven thousand, nine hundred four".