266407742 has 16 divisors (see below), whose sum is σ = 402449040. Its totient is φ = 132261888.

The previous prime is 266407741. The next prime is 266407753. The reversal of 266407742 is 247704662.

It is a super-3 number, since 3×266407742³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266407696 and 266407705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266407741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214748 + ... + 215984.

It is an arithmetic number, because the mean of its divisors is an integer number (25153065).

Almost surely, 2^266407742 is an apocalyptic number.

266407742 is a deficient number, since it is larger than the sum of its proper divisors (136041298).

266407742 is a wasteful number, since it uses less digits than its factorization.

266407742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 266407742 is about 16322.0017767429. The cubic root of 266407742 is about 643.4511980945.

The spelling of 266407742 in words is "two hundred sixty-six million, four hundred seven thousand, seven hundred forty-two".