43452648 has 48 divisors (see below), whose sum is σ = 119024100. Its totient is φ = 14319360.

The previous prime is 43452641. The next prime is 43452671. The reversal of 43452648 is 84625434.

43452648 is a `hidden beast` number, since 4 + 3 + 4 + 5 + 2 + 648 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41757444 + 1695204 = 6462^2 + 1302^2 .

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 (43452641) 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, 3018 + ... + 9798.

Almost surely, 2^43452648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43452648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59512050).

43452648 is an abundant number, since it is smaller than the sum of its proper divisors (75571452).

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

43452648 is a wasteful number, since it uses less digits than its factorization.

43452648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882 (or 6875 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 43452648 is about 6591.8622558424. The cubic root of 43452648 is about 351.5648246483.

It can be divided in two parts, 43452 and 648, that added together give a square (44100 = 210²).

The spelling of 43452648 in words is "forty-three million, four hundred fifty-two thousand, six hundred forty-eight".