264136432 has 80 divisors (see below), whose sum is σ = 606336192. Its totient is φ = 109117440.

The previous prime is 264136417. The next prime is 264136441. The reversal of 264136432 is 234631462.

It is a junction number, because it is equal to n+sod(n) for n = 264136394 and 264136403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445128 + ... + 445720.

Almost surely, 2^264136432 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 264136432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303168096).

264136432 is an abundant number, since it is smaller than the sum of its proper divisors (342199760).

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

264136432 is a wasteful number, since it uses less digits than its factorization.

264136432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 740 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 264136432 is about 16252.2746715652. The cubic root of 264136432 is about 641.6173546258.

Adding to 264136432 its reverse (234631462), we get a palindrome (498767894).

The spelling of 264136432 in words is "two hundred sixty-four million, one hundred thirty-six thousand, four hundred thirty-two".