264432321351632 has 120 divisors (see below), whose sum is σ = 596453524531200. Its totient is φ = 113238989418240.

The previous prime is 264432321351619. The next prime is 264432321351637. The reversal of 264432321351632 is 236153123234462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264432321351637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11831941994 + ... + 11831964342.

It is an arithmetic number, because the mean of its divisors is an integer number (4970446037760).

Almost surely, 2^{264432321351632} 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 264432321351632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298226762265600).

264432321351632 is an abundant number, since it is smaller than the sum of its proper divisors (332021203179568).

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

264432321351632 is a wasteful number, since it uses less digits than its factorization.

264432321351632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33569 (or 33556 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 47.

The spelling of 264432321351632 in words is "two hundred sixty-four trillion, four hundred thirty-two billion, three hundred twenty-one million, three hundred fifty-one thousand, six hundred thirty-two".