6240604440 has 64 divisors (see below), whose sum is σ = 21396360960. Its totient is φ = 1426423680.

The previous prime is 6240604411. The next prime is 6240604459. The reversal of 6240604440 is 444060426.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6240604398 and 6240604407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3713806 + ... + 3715485.

It is an arithmetic number, because the mean of its divisors is an integer number (334318140).

Almost surely, 2^6240604440 is an apocalyptic number.

6240604440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6240604440 is an abundant number, since it is smaller than the sum of its proper divisors (15155756520).

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

6240604440 is a wasteful number, since it uses less digits than its factorization.

6240604440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429312 (or 7429308 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 6240604440 is about 78997.4964160257. The cubic root of 6240604440 is about 1841.0922587012.

Adding to 6240604440 its reverse (444060426), we get a palindrome (6684664866).

The spelling of 6240604440 in words is "six billion, two hundred forty million, six hundred four thousand, four hundred forty".