19325491992560 has 160 divisors (see below), whose sum is σ = 48542410086912. Its totient is φ = 7112838620160.

The previous prime is 19325491992517. The next prime is 19325491992607. The reversal of 19325491992560 is 6529919452391.

It is a Harshad number since it is a multiple of its sum of digits (65).

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, 452916347 + ... + 452959013.

Almost surely, 2^{19325491992560} is an apocalyptic number.

19325491992560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19325491992560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24271205043456).

19325491992560 is an abundant number, since it is smaller than the sum of its proper divisors (29216918094352).

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

19325491992560 is a wasteful number, since it uses less digits than its factorization.

19325491992560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44071 (or 44065 counting only the distinct ones).

The product of its (nonzero) digits is 47239200, while the sum is 65.

The spelling of 19325491992560 in words is "nineteen trillion, three hundred twenty-five billion, four hundred ninety-one million, nine hundred ninety-two thousand, five hundred sixty".