264740026 has 16 divisors (see below), whose sum is σ = 400308480. Its totient is φ = 131308240.

The previous prime is 264740017. The next prime is 264740027. The reversal of 264740026 is 620047462.

It is a self number, because there is not a number n which added to its sum of digits gives 264740026.

It is not an unprimeable number, because it can be changed into a prime (264740027) 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, 169035 + ... + 170593.

It is an arithmetic number, because the mean of its divisors is an integer number (25019280).

Almost surely, 2^264740026 is an apocalyptic number.

264740026 is a deficient number, since it is larger than the sum of its proper divisors (135568454).

264740026 is a wasteful number, since it uses less digits than its factorization.

264740026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 264740026 is about 16270.8335988049. The cubic root of 264740026 is about 642.1057155843.

Adding to 264740026 its reverse (620047462), we get a palindrome (884787488).

The spelling of 264740026 in words is "two hundred sixty-four million, seven hundred forty thousand, twenty-six".