264212456 has 8 divisors (see below), whose sum is σ = 495398370. Its totient is φ = 132106224.

The previous prime is 264212437. The next prime is 264212467. The reversal of 264212456 is 654212462.

It can be written as a sum of positive squares in only one way, i.e., 178649956 + 85562500 = 13366^2 + 9250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16513271 + ... + 16513286.

Almost surely, 2^264212456 is an apocalyptic number.

It is an amenable number.

264212456 is a deficient number, since it is larger than the sum of its proper divisors (231185914).

264212456 is a wasteful number, since it uses less digits than its factorization.

264212456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33026563 (or 33026559 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 264212456 is about 16254.6133759004. The cubic root of 264212456 is about 641.6789056941.

The spelling of 264212456 in words is "two hundred sixty-four million, two hundred twelve thousand, four hundred fifty-six".