32012304144 has 20 divisors (see below), whose sum is σ = 82698452496. Its totient is φ = 10670768032.

The previous prime is 32012304143. The next prime is 32012304157. The reversal of 32012304144 is 44140321023.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (32012304143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333461454 + ... + 333461549.

Almost surely, 2^32012304144 is an apocalyptic number.

It is an amenable number.

32012304144 is an abundant number, since it is smaller than the sum of its proper divisors (50686148352).

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

32012304144 is a wasteful number, since it uses less digits than its factorization.

32012304144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666923014 (or 666923008 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 32012304144 its reverse (44140321023), we get a palindrome (76152625167).

The spelling of 32012304144 in words is "thirty-two billion, twelve million, three hundred four thousand, one hundred forty-four".