654530240 has 336 divisors, whose sum is σ = 2067458400. Its totient is φ = 196245504.

The previous prime is 654530237. The next prime is 654530267. The reversal of 654530240 is 42035456.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34448951 + ... + 34448969.

It is an arithmetic number, because the mean of its divisors is an integer number (6153150).

Almost surely, 2^654530240 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 654530240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033729200).

654530240 is an abundant number, since it is smaller than the sum of its proper divisors (1412928160).

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

654530240 is a wasteful number, since it uses less digits than its factorization.

654530240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 654530240 is about 25583.7886170129. The cubic root of 654530240 is about 868.2468947334.

Adding to 654530240 its reverse (42035456), we get a palindrome (696565696).

It can be divided in two parts, 65 and 4530240, that multiplied together give a square (294465600 = 17160²).

The spelling of 654530240 in words is "six hundred fifty-four million, five hundred thirty thousand, two hundred forty".