266240626 has 8 divisors (see below), whose sum is σ = 399436380. Its totient is φ = 133095168.

The previous prime is 266240609. The next prime is 266240629. The reversal of 266240626 is 626042662.

It can be written as a sum of positive squares in 2 ways, for example, as 162180225 + 104060401 = 12735^2 + 10201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 266240591 and 266240600.

It is not an unprimeable number, because it can be changed into a prime (266240629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6370 + ... + 23938.

Almost surely, 2^266240626 is an apocalyptic number.

266240626 is a deficient number, since it is larger than the sum of its proper divisors (133195754).

266240626 is a wasteful number, since it uses less digits than its factorization.

266240626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25148.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 266240626 is about 16316.8816260951. The cubic root of 266240626 is about 643.3166255754.

The spelling of 266240626 in words is "two hundred sixty-six million, two hundred forty thousand, six hundred twenty-six".