264442625026516 has 12 divisors (see below), whose sum is σ = 469113971794132. Its totient is φ = 130410061656768.

The previous prime is 264442625026511. The next prime is 264442625026537. The reversal of 264442625026516 is 615620526244462.

It can be written as a sum of positive squares in 2 ways, for example, as 207049939992900 + 57392685033616 = 14389230^2 + 7575796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264442625026511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452812713795 + ... + 452812714378.

Almost surely, 2^{264442625026516} is an apocalyptic number.

It is an amenable number.

264442625026516 is a deficient number, since it is larger than the sum of its proper divisors (204671346767616).

264442625026516 is a wasteful number, since it uses less digits than its factorization.

264442625026516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905625428250 (or 905625428248 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 55.

The spelling of 264442625026516 in words is "two hundred sixty-four trillion, four hundred forty-two billion, six hundred twenty-five million, twenty-six thousand, five hundred sixteen".