264821496 has 64 divisors (see below), whose sum is σ = 685804320. Its totient is φ = 85163520.

The previous prime is 264821429. The next prime is 264821497. The reversal of 264821496 is 694128462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264821497) by changing a digit.

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, 75886 + ... + 79298.

Almost surely, 2^264821496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264821496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342902160).

264821496 is an abundant number, since it is smaller than the sum of its proper divisors (420982824).

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

264821496 is a wasteful number, since it uses less digits than its factorization.

264821496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536 (or 3532 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 264821496 is about 16273.3369657240. The cubic root of 264821496 is about 642.1715751475.

The spelling of 264821496 in words is "two hundred sixty-four million, eight hundred twenty-one thousand, four hundred ninety-six".