18895220573304 has 128 divisors (see below), whose sum is σ = 48016344176640. Its totient is φ = 6194930429952.

The previous prime is 18895220573209. The next prime is 18895220573353. The reversal of 18895220573304 is 40337502259881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3610779072 + ... + 3610784304.

It is an arithmetic number, because the mean of its divisors is an integer number (375127688880).

Almost surely, 2^{18895220573304} is an apocalyptic number.

It is an amenable number.

18895220573304 is an abundant number, since it is smaller than the sum of its proper divisors (29121123603336).

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

18895220573304 is a wasteful number, since it uses less digits than its factorization.

18895220573304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309 (or 8305 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 18895220573304 in words is "eighteen trillion, eight hundred ninety-five billion, two hundred twenty million, five hundred seventy-three thousand, three hundred four".