266352880 has 40 divisors (see below), whose sum is σ = 646199712. Its totient is φ = 101908224.

The previous prime is 266352859. The next prime is 266352913. The reversal of 266352880 is 88253662.

266352880 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 (40).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70539 + ... + 74218.

Almost surely, 2^266352880 is an apocalyptic number.

266352880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266352880 is an abundant number, since it is smaller than the sum of its proper divisors (379846832).

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

266352880 is a wasteful number, since it uses less digits than its factorization.

266352880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144793 (or 144787 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 266352880 is about 16320.3210752730. The cubic root of 266352880 is about 643.4070259008.

The spelling of 266352880 in words is "two hundred sixty-six million, three hundred fifty-two thousand, eight hundred eighty".