445006130320090 has 8 divisors (see below), whose sum is σ = 801011034576180. Its totient is φ = 178002452128032.

The previous prime is 445006130320051. The next prime is 445006130320091. The reversal of 445006130320090 is 90023031600544.

It can be written as a sum of positive squares in 2 ways, for example, as 411815062073529 + 33191068246561 = 20293227^2 + 5761169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (445006130320091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22250306515995 + ... + 22250306516014.

Almost surely, 2^{445006130320090} is an apocalyptic number.

445006130320090 is a deficient number, since it is larger than the sum of its proper divisors (356004904256090).

445006130320090 is a wasteful number, since it uses less digits than its factorization.

445006130320090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44500613032016.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 445006130320090 in words is "four hundred forty-five trillion, six billion, one hundred thirty million, three hundred twenty thousand, ninety".