266947464 has 128 divisors (see below), whose sum is σ = 814233600. Its totient is φ = 71193600.

The previous prime is 266947459. The next prime is 266947493. The reversal of 266947464 is 464749662.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430947 + ... + 431565.

It is an arithmetic number, because the mean of its divisors is an integer number (6361200).

Almost surely, 2^266947464 is an apocalyptic number.

266947464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266947464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407116800).

266947464 is an abundant number, since it is smaller than the sum of its proper divisors (547286136).

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

266947464 is a wasteful number, since it uses less digits than its factorization.

266947464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 799 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 48.

The square root of 266947464 is about 16338.5269837890. The cubic root of 266947464 is about 643.8854328559.

The spelling of 266947464 in words is "two hundred sixty-six million, nine hundred forty-seven thousand, four hundred sixty-four".