266524940 has 24 divisors (see below), whose sum is σ = 610584912. Its totient is φ = 96918080.

The previous prime is 266524933. The next prime is 266524967. The reversal of 266524940 is 49425662.

It is a junction number, because it is equal to n+sod(n) for n = 266524894 and 266524903.

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, 605519 + ... + 605958.

It is an arithmetic number, because the mean of its divisors is an integer number (25441038).

Almost surely, 2^266524940 is an apocalyptic number.

266524940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266524940 is an abundant number, since it is smaller than the sum of its proper divisors (344059972).

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

266524940 is a wasteful number, since it uses less digits than its factorization.

266524940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211497 (or 1211495 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 266524940 is about 16325.5915666171. The cubic root of 266524940 is about 643.5455398697.

The spelling of 266524940 in words is "two hundred sixty-six million, five hundred twenty-four thousand, nine hundred forty".