445041008647487 has 16 divisors (see below), whose sum is σ = 522371260031040. Its totient is φ = 371149255899648.

The previous prime is 445041008647457. The next prime is 445041008647507. The reversal of 445041008647487 is 784746800140544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 445041008647487 - 2³⁸ = 444766130740543 is a prime.

It is a super-2 number, since 2×445041008647487² (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 (445041008647457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10125473 + ... + 31505669.

It is an arithmetic number, because the mean of its divisors is an integer number (32648203751940).

Almost surely, 2^{445041008647487} is an apocalyptic number.

445041008647487 is a deficient number, since it is larger than the sum of its proper divisors (77330251383553).

445041008647487 is a wasteful number, since it uses less digits than its factorization.

445041008647487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460610.

The product of its (nonzero) digits is 96337920, while the sum is 62.

The spelling of 445041008647487 in words is "four hundred forty-five trillion, forty-one billion, eight million, six hundred forty-seven thousand, four hundred eighty-seven".