266014540 has 48 divisors (see below), whose sum is σ = 610999200. Its totient is φ = 96481280.

The previous prime is 266014537. The next prime is 266014547. The reversal of 266014540 is 45410662.

It is a junction number, because it is equal to n+sod(n) for n = 266014499 and 266014508.

It is not an unprimeable number, because it can be changed into a prime (266014547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97434 + ... + 100126.

It is an arithmetic number, because the mean of its divisors is an integer number (12729150).

Almost surely, 2^266014540 is an apocalyptic number.

266014540 is a gapful number since it is divisible by the number (20) 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 266014540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305499600).

266014540 is an abundant number, since it is smaller than the sum of its proper divisors (344984660).

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

266014540 is a wasteful number, since it uses less digits than its factorization.

266014540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 266014540 is about 16309.9521765087. The cubic root of 266014540 is about 643.1344769757.

The spelling of 266014540 in words is "two hundred sixty-six million, fourteen thousand, five hundred forty".