32394287648 has 18 divisors (see below), whose sum is σ = 63778258341. Its totient is φ = 16196634752.

The previous prime is 32394287623. The next prime is 32394287669. The reversal of 32394287648 is 84678249323.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 26040922384 + 6353365264 = 161372^2 + 79708^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=127268.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32394287593 and 32394287602.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1002236 + ... + 1034052.

Almost surely, 2^32394287648 is an apocalyptic number.

It is an amenable number.

32394287648 is a deficient number, since it is larger than the sum of its proper divisors (31383970693).

32394287648 is an frugal number, since it uses more digits than its factorization.

32394287648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63644 (or 31819 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 56.

The spelling of 32394287648 in words is "thirty-two billion, three hundred ninety-four million, two hundred eighty-seven thousand, six hundred forty-eight".