264001332 has 48 divisors (see below), whose sum is σ = 726720512. Its totient is φ = 72995040.

The previous prime is 264001289. The next prime is 264001393. The reversal of 264001332 is 233100462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

264001332 is a modest number, since divided by 1332 gives 264 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 264001299 and 264001308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48088 + ... + 53295.

Almost surely, 2^264001332 is an apocalyptic number.

It is an amenable number.

264001332 is an abundant number, since it is smaller than the sum of its proper divisors (462719180).

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

264001332 is a wasteful number, since it uses less digits than its factorization.

264001332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101428 (or 101426 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 264001332 is about 16248.1177986867. The cubic root of 264001332 is about 641.5079448953.

Adding to 264001332 its reverse (233100462), we get a palindrome (497101794).

The spelling of 264001332 in words is "two hundred sixty-four million, one thousand, three hundred thirty-two".