6651760250240 has 128 divisors (see below), whose sum is σ = 19242592372800. Its totient is φ = 2146450341888.

The previous prime is 6651760250237. The next prime is 6651760250251. The reversal of 6651760250240 is 420520671566.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 6651760250191 and 6651760250200.

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, 43593485 + ... + 43745804.

Almost surely, 2^{6651760250240} is an apocalyptic number.

It is an amenable number.

6651760250240 is an abundant number, since it is smaller than the sum of its proper divisors (12590832122560).

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

6651760250240 is a wasteful number, since it uses less digits than its factorization.

6651760250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87339332 (or 87339320 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 6651760250240 in words is "six trillion, six hundred fifty-one billion, seven hundred sixty million, two hundred fifty thousand, two hundred forty".