652788432 has 30 divisors (see below), whose sum is σ = 1826901362. Its totient is φ = 217596096.

The previous prime is 652788407. The next prime is 652788467. The reversal of 652788432 is 234887256.

652788432 is a `hidden beast` number, since 6 + 527 + 88 + 43 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 367718976 + 285069456 = 19176^2 + 16884^2 .

It is a super-2 number, since 2×652788432² = 852265473906037248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2266483 + ... + 2266770.

Almost surely, 2^652788432 is an apocalyptic number.

It is an amenable number.

652788432 is an abundant number, since it is smaller than the sum of its proper divisors (1174112930).

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

652788432 is a wasteful number, since it uses less digits than its factorization.

652788432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533267 (or 4533258 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 652788432 is about 25549.7246951900. The cubic root of 652788432 is about 867.4760299777.

The spelling of 652788432 in words is "six hundred fifty-two million, seven hundred eighty-eight thousand, four hundred thirty-two".