264441130420436 has 12 divisors (see below), whose sum is σ = 464492320164180. Its totient is φ = 131729038944960.

The previous prime is 264441130420433. The next prime is 264441130420471. The reversal of 264441130420436 is 634024031144462.

It can be written as a sum of positive squares in 2 ways, for example, as 84724477068100 + 179716653352336 = 9204590^2 + 13405844^2 .

It is a super-2 number, since 2×264441130420436² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264441130420433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122881565105 + ... + 122881567256.

It is an arithmetic number, because the mean of its divisors is an integer number (38707693347015).

Almost surely, 2^{264441130420436} is an apocalyptic number.

It is an amenable number.

264441130420436 is a deficient number, since it is larger than the sum of its proper divisors (200051189743744).

264441130420436 is a wasteful number, since it uses less digits than its factorization.

264441130420436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245763132634 (or 245763132632 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

Adding to 264441130420436 its reverse (634024031144462), we get a palindrome (898465161564898).

The spelling of 264441130420436 in words is "two hundred sixty-four trillion, four hundred forty-one billion, one hundred thirty million, four hundred twenty thousand, four hundred thirty-six".