653445432 has 48 divisors (see below), whose sum is σ = 1771004040. Its totient is φ = 217660608.

The previous prime is 653445421. The next prime is 653445451. The reversal of 653445432 is 234544356.

653445432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147798 + ... + 152154.

Almost surely, 2^653445432 is an apocalyptic number.

It is an amenable number.

653445432 is an abundant number, since it is smaller than the sum of its proper divisors (1117558608).

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

653445432 is a wasteful number, since it uses less digits than its factorization.

653445432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452 (or 6445 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 653445432 is about 25562.5787431550. The cubic root of 653445432 is about 867.7669566280.

Adding to 653445432 its reverse (234544356), we get a palindrome (887989788).

The spelling of 653445432 in words is "six hundred fifty-three million, four hundred forty-five thousand, four hundred thirty-two".