266342424580 has 24 divisors (see below), whose sum is σ = 559329106392. Its totient is φ = 106535062272.

The previous prime is 266342424571. The next prime is 266342424613. The reversal of 266342424580 is 85424243662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78721769476 + 187620655104 = 280574^2 + 433152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266342424580.

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, 1710874 + ... + 1860046.

It is an arithmetic number, because the mean of its divisors is an integer number (23305379433).

Almost surely, 2^266342424580 is an apocalyptic number.

266342424580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266342424580 is an abundant number, since it is smaller than the sum of its proper divisors (292986681812).

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

266342424580 is a wasteful number, since it uses less digits than its factorization.

266342424580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238455 (or 238453 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 266342424580 in words is "two hundred sixty-six billion, three hundred forty-two million, four hundred twenty-four thousand, five hundred eighty".