264967642 has 8 divisors (see below), whose sum is σ = 401386932. Its totient is φ = 131172000.

The previous prime is 264967621. The next prime is 264967649. The reversal of 264967642 is 246769462.

It can be written as a sum of positive squares in 2 ways, for example, as 185204881 + 79762761 = 13609^2 + 8931^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 264967592 and 264967601.

It is not an unprimeable number, because it can be changed into a prime (264967649) 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 3 ways as a sum of consecutive naturals, for example, 655659 + ... + 656062.

Almost surely, 2^264967642 is an apocalyptic number.

264967642 is a deficient number, since it is larger than the sum of its proper divisors (136419290).

264967642 is a wasteful number, since it uses less digits than its factorization.

264967642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311824.

The product of its digits is 870912, while the sum is 46.

The square root of 264967642 is about 16277.8266976891. The cubic root of 264967642 is about 642.2896843259.

The spelling of 264967642 in words is "two hundred sixty-four million, nine hundred sixty-seven thousand, six hundred forty-two".