264640525255136 has 12 divisors (see below), whose sum is σ = 521011034096112. Its totient is φ = 132320262627552.

The previous prime is 264640525255109. The next prime is 264640525255189. The reversal of 264640525255136 is 631552525046462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4135008207080 + ... + 4135008207143.

It is an arithmetic number, because the mean of its divisors is an integer number (43417586174676).

Almost surely, 2^{264640525255136} is an apocalyptic number.

It is an amenable number.

264640525255136 is a deficient number, since it is larger than the sum of its proper divisors (256370508840976).

264640525255136 is an equidigital number, since it uses as much as digits as its factorization.

264640525255136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270016414233 (or 8270016414225 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 56.

The spelling of 264640525255136 in words is "two hundred sixty-four trillion, six hundred forty billion, five hundred twenty-five million, two hundred fifty-five thousand, one hundred thirty-six".