19080385446 has 32 divisors (see below), whose sum is σ = 38822934528. Its totient is φ = 6250571360.

The previous prime is 19080385427. The next prime is 19080385451. The reversal of 19080385446 is 64458308091.

It is a super-2 number, since 2×19080385446² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19080385395 and 19080385404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5181 + ... + 195416.

It is an arithmetic number, because the mean of its divisors is an integer number (1213216704).

Almost surely, 2^19080385446 is an apocalyptic number.

19080385446 is an abundant number, since it is smaller than the sum of its proper divisors (19742549082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19080385446 is a wasteful number, since it uses less digits than its factorization.

19080385446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200876.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 19080385446 in words is "nineteen billion, eighty million, three hundred eighty-five thousand, four hundred forty-six".