264387448 has 16 divisors (see below), whose sum is σ = 533859480. Its totient is φ = 122024928.

The previous prime is 264387443. The next prime is 264387449. The reversal of 264387448 is 844783462.

It is a super-4 number, since 4×264387448⁴ (a number of 35 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264387398 and 264387407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264387443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270990 + ... + 1271197.

Almost surely, 2^264387448 is an apocalyptic number.

It is an amenable number.

264387448 is an abundant number, since it is smaller than the sum of its proper divisors (269472032).

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

264387448 is a wasteful number, since it uses less digits than its factorization.

264387448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542206 (or 2542202 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The square root of 264387448 is about 16259.9953259526. The cubic root of 264387448 is about 641.8205390545.

The spelling of 264387448 in words is "two hundred sixty-four million, three hundred eighty-seven thousand, four hundred forty-eight".