266425340 has 24 divisors (see below), whose sum is σ = 560846160. Its totient is φ = 106312448.

The previous prime is 266425301. The next prime is 266425351. The reversal of 266425340 is 43524662.

It is a junction number, because it is equal to n+sod(n) for n = 266425297 and 266425306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7517 + ... + 24276.

It is an arithmetic number, because the mean of its divisors is an integer number (23368590).

Almost surely, 2^266425340 is an apocalyptic number.

266425340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266425340 is an abundant number, since it is smaller than the sum of its proper divisors (294420820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266425340 is a wasteful number, since it uses less digits than its factorization.

266425340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32221 (or 32219 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 266425340 is about 16322.5408561290. The cubic root of 266425340 is about 643.4653658570.

The spelling of 266425340 in words is "two hundred sixty-six million, four hundred twenty-five thousand, three hundred forty".