445590052019 has 12 divisors (see below), whose sum is σ = 545620473000. Its totient is φ = 361832522688.

The previous prime is 445590052013. The next prime is 445590052021. The reversal of 445590052019 is 910250095544.

It is not a de Polignac number, because 445590052019 - 2¹⁶ = 445589986483 is a prime.

It is a super-2 number, since 2×445590052019² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445590052013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239306294 + ... + 239308155.

It is an arithmetic number, because the mean of its divisors is an integer number (45468372750).

Almost surely, 2^445590052019 is an apocalyptic number.

445590052019 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

445590052019 is a deficient number, since it is larger than the sum of its proper divisors (100030420981).

445590052019 is a wasteful number, since it uses less digits than its factorization.

445590052019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478614482 (or 478614475 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 445590052019 in words is "four hundred forty-five billion, five hundred ninety million, fifty-two thousand, nineteen".