648153432 has 48 divisors (see below), whose sum is σ = 1831742640. Its totient is φ = 206657088.

The previous prime is 648153419. The next prime is 648153433. The reversal of 648153432 is 234351846.

648153432 is a `hidden beast` number, since 648 + 1 + 5 + 3 + 4 + 3 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648153433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194043 + ... + 197354.

It is an arithmetic number, because the mean of its divisors is an integer number (38161305).

Almost surely, 2^648153432 is an apocalyptic number.

It is an amenable number.

648153432 is an abundant number, since it is smaller than the sum of its proper divisors (1183589208).

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

648153432 is a wasteful number, since it uses less digits than its factorization.

648153432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391432 (or 391425 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 648153432 is about 25458.8576334446. The cubic root of 648153432 is about 865.4180353243.

The spelling of 648153432 in words is "six hundred forty-eight million, one hundred fifty-three thousand, four hundred thirty-two".