266240174852 has 12 divisors (see below), whose sum is σ = 493327382940. Its totient is φ = 125289494016.

The previous prime is 266240174843. The next prime is 266240174867. The reversal of 266240174852 is 258471042662.

It can be written as a sum of positive squares in 2 ways, for example, as 228162896896 + 38077277956 = 477664^2 + 195134^2 .

It is a junction number, because it is equal to n+sod(n) for n = 266240174797 and 266240174806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957648277 + ... + 1957648412.

It is an arithmetic number, because the mean of its divisors is an integer number (41110615245).

Almost surely, 2^266240174852 is an apocalyptic number.

It is an amenable number.

266240174852 is a deficient number, since it is larger than the sum of its proper divisors (227087208088).

266240174852 is a wasteful number, since it uses less digits than its factorization.

266240174852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915296710 (or 3915296708 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 266240174852 in words is "two hundred sixty-six billion, two hundred forty million, one hundred seventy-four thousand, eight hundred fifty-two".