6557602240 has 112 divisors (see below), whose sum is σ = 18785433600. Its totient is φ = 2129974272.

The previous prime is 6557602231. The next prime is 6557602273. The reversal of 6557602240 is 422067556.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 6557602240.

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, 34480 + ... + 119599.

Almost surely, 2^6557602240 is an apocalyptic number.

It is an amenable number.

6557602240 is an abundant number, since it is smaller than the sum of its proper divisors (12227831360).

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

6557602240 is a wasteful number, since it uses less digits than its factorization.

6557602240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154122 (or 154112 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 6557602240 is about 80979.0234566953. The cubic root of 6557602240 is about 1871.7522196217.

Adding to 6557602240 its reverse (422067556), we get a palindrome (6979669796).

The spelling of 6557602240 in words is "six billion, five hundred fifty-seven million, six hundred two thousand, two hundred forty".