264216424 has 32 divisors (see below), whose sum is σ = 511917120. Its totient is φ = 127766016.

The previous prime is 264216409. The next prime is 264216427. The reversal of 264216424 is 424612462.

It is a happy number.

It is a super-2 number, since 2×264216424² = 139620637422695552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264216427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31704 + ... + 39160.

It is an arithmetic number, because the mean of its divisors is an integer number (15997410).

Almost surely, 2^264216424 is an apocalyptic number.

It is an amenable number.

264216424 is a deficient number, since it is larger than the sum of its proper divisors (247700696).

264216424 is a wasteful number, since it uses less digits than its factorization.

264216424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609 (or 7605 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 264216424 is about 16254.7354330976. The cubic root of 264216424 is about 641.6821179690.

Adding to 264216424 its reverse (424612462), we get a palindrome (688828886).

The spelling of 264216424 in words is "two hundred sixty-four million, two hundred sixteen thousand, four hundred twenty-four".