19732381152 has 48 divisors (see below), whose sum is σ = 56506367232. Its totient is φ = 5979509120.

The previous prime is 19732381129. The next prime is 19732381153. The reversal of 19732381152 is 25118323791.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19732381153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9341928 + ... + 9344039.

It is an arithmetic number, because the mean of its divisors is an integer number (1177215984).

Almost surely, 2^19732381152 is an apocalyptic number.

19732381152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19732381152 is an abundant number, since it is smaller than the sum of its proper divisors (36773986080).

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

19732381152 is a wasteful number, since it uses less digits than its factorization.

19732381152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18685991 (or 18685983 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The spelling of 19732381152 in words is "nineteen billion, seven hundred thirty-two million, three hundred eighty-one thousand, one hundred fifty-two".