445057557260415 has 64 divisors (see below), whose sum is σ = 793366425004032. Its totient is φ = 211191522944000.

The previous prime is 445057557260339. The next prime is 445057557260417. The reversal of 445057557260415 is 514062755750544.

It is not a de Polignac number, because 445057557260415 - 2²⁰ = 445057556211839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445057557260417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 664524715 + ... + 665194115.

It is an arithmetic number, because the mean of its divisors is an integer number (12396350390688).

Almost surely, 2^{445057557260415} is an apocalyptic number.

445057557260415 is a deficient number, since it is larger than the sum of its proper divisors (348308867743617).

445057557260415 is a wasteful number, since it uses less digits than its factorization.

445057557260415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755200.

The product of its (nonzero) digits is 117600000, while the sum is 60.

The spelling of 445057557260415 in words is "four hundred forty-five trillion, fifty-seven billion, five hundred fifty-seven million, two hundred sixty thousand, four hundred fifteen".