652741440 has 224 divisors, whose sum is σ = 2251716096. Its totient is φ = 159252480.

The previous prime is 652741433. The next prime is 652741471. The reversal of 652741440 is 44147256.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2408505 + ... + 2408775.

It is an arithmetic number, because the mean of its divisors is an integer number (10052304).

Almost surely, 2^652741440 is an apocalyptic number.

652741440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652741440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125858048).

652741440 is an abundant number, since it is smaller than the sum of its proper divisors (1598974656).

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

652741440 is a wasteful number, since it uses less digits than its factorization.

652741440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 652741440 is about 25548.8050601197. The cubic root of 652741440 is about 867.4552139370.

Adding to 652741440 its reverse (44147256), we get a palindrome (696888696).

The spelling of 652741440 in words is "six hundred fifty-two million, seven hundred forty-one thousand, four hundred forty".