264043231 has 8 divisors (see below), whose sum is σ = 277779600. Its totient is φ = 250615680.

The previous prime is 264043229. The next prime is 264043259. The reversal of 264043231 is 132340462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264043231 - 2¹ = 264043229 is a prime.

It is a super-2 number, since 2×264043231² = 139437655673838722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264043196 and 264043205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264043291) 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, 75450 + ... + 78871.

It is an arithmetic number, because the mean of its divisors is an integer number (34722450).

Almost surely, 2^264043231 is an apocalyptic number.

264043231 is a deficient number, since it is larger than the sum of its proper divisors (13736369).

264043231 is a wasteful number, since it uses less digits than its factorization.

264043231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154409.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 264043231 is about 16249.4070968759. The cubic root of 264043231 is about 641.5418804811.

Adding to 264043231 its reverse (132340462), we get a palindrome (396383693).

The spelling of 264043231 in words is "two hundred sixty-four million, forty-three thousand, two hundred thirty-one".