445764560272655 has 64 divisors (see below), whose sum is σ = 588702636547200. Its totient is φ = 322014716835840.

The previous prime is 445764560272621. The next prime is 445764560272667. The reversal of 445764560272655 is 556272065467544.

It is a happy number.

It is not a de Polignac number, because 445764560272655 - 2²⁸ = 445764291837199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1648274345 + ... + 1648544765.

It is an arithmetic number, because the mean of its divisors is an integer number (9198478696050).

Almost surely, 2^{445764560272655} is an apocalyptic number.

445764560272655 is a deficient number, since it is larger than the sum of its proper divisors (142938076274545).

445764560272655 is a wasteful number, since it uses less digits than its factorization.

445764560272655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272604.

The product of its (nonzero) digits is 1693440000, while the sum is 68.

The spelling of 445764560272655 in words is "four hundred forty-five trillion, seven hundred sixty-four billion, five hundred sixty million, two hundred seventy-two thousand, six hundred fifty-five".