264541261330 has 16 divisors (see below), whose sum is σ = 478805070744. Its totient is φ = 105231882240.

The previous prime is 264541261321. The next prime is 264541261331. The reversal of 264541261330 is 33162145462.

It can be written as a sum of positive squares in 4 ways, for example, as 45010592649 + 219530668681 = 212157^2 + 468541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 264541261330.

It is not an unprimeable number, because it can be changed into a prime (264541261331) 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, 73075887 + ... + 73079506.

Almost surely, 2^264541261330 is an apocalyptic number.

264541261330 is a deficient number, since it is larger than the sum of its proper divisors (214263809414).

264541261330 is a wasteful number, since it uses less digits than its factorization.

264541261330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146155581.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 264541261330 in words is "two hundred sixty-four billion, five hundred forty-one million, two hundred sixty-one thousand, three hundred thirty".