266750434 has 12 divisors (see below), whose sum is σ = 423813762. Its totient is φ = 125484800.

The previous prime is 266750401. The next prime is 266750441. The reversal of 266750434 is 434057662.

It can be written as a sum of positive squares in 3 ways, for example, as 252333225 + 14417209 = 15885^2 + 3797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 266750393 and 266750402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93834 + ... + 96634.

Almost surely, 2^266750434 is an apocalyptic number.

266750434 is a deficient number, since it is larger than the sum of its proper divisors (157063328).

266750434 is an frugal number, since it uses more digits than its factorization.

266750434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 266750434 is about 16332.4962574617. The cubic root of 266750434 is about 643.7269797405.

The spelling of 266750434 in words is "two hundred sixty-six million, seven hundred fifty thousand, four hundred thirty-four".