266426234 has 4 divisors (see below), whose sum is σ = 399639354. Its totient is φ = 133213116.

The previous prime is 266426207. The next prime is 266426263. The reversal of 266426234 is 432624662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432624662 = 2 ⋅216312331.

It can be written as a sum of positive squares in only one way, i.e., 266179225 + 247009 = 16315^2 + 497^2 .

It is a junction number, because it is equal to n+sod(n) for n = 266426194 and 266426203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66606557 + ... + 66606560.

Almost surely, 2^266426234 is an apocalyptic number.

266426234 is a deficient number, since it is larger than the sum of its proper divisors (133213120).

266426234 is a wasteful number, since it uses less digits than its factorization.

266426234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133213119.

The product of its digits is 82944, while the sum is 35.

The square root of 266426234 is about 16322.5682415483. The cubic root of 266426234 is about 643.4660855800.

The spelling of 266426234 in words is "two hundred sixty-six million, four hundred twenty-six thousand, two hundred thirty-four".