264455940979503 has 96 divisors (see below), whose sum is σ = 477494090551296. Its totient is φ = 137315323436544.

The previous prime is 264455940979501. The next prime is 264455940979513. The reversal of 264455940979503 is 305979049554462.

It is a happy number.

264455940979503 is a `hidden beast` number, since 2 + 6 + 4 + 4 + 5 + 5 + 9 + 40 + 9 + 79 + 503 = 666.

It is not a de Polignac number, because 264455940979503 - 2¹ = 264455940979501 is a prime.

It is a super-2 number, since 2×264455940979503² (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 (264455940979501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 76951426 + ... + 80314592.

It is an arithmetic number, because the mean of its divisors is an integer number (4973896776576).

Almost surely, 2^{264455940979503} is an apocalyptic number.

264455940979503 is a deficient number, since it is larger than the sum of its proper divisors (213038149571793).

264455940979503 is a wasteful number, since it uses less digits than its factorization.

264455940979503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364693 (or 3364690 counting only the distinct ones).

The product of its (nonzero) digits is 1469664000, while the sum is 72.

The spelling of 264455940979503 in words is "two hundred sixty-four trillion, four hundred fifty-five billion, nine hundred forty million, nine hundred seventy-nine thousand, five hundred three".