6740619440 has 20 divisors (see below), whose sum is σ = 15671940384. Its totient is φ = 2696247744.

The previous prime is 6740619409. The next prime is 6740619443. The reversal of 6740619440 is 449160476.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (6740619443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42128792 + ... + 42128951.

Almost surely, 2^6740619440 is an apocalyptic number.

It is an amenable number.

6740619440 is an abundant number, since it is smaller than the sum of its proper divisors (8931320944).

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

6740619440 is a wasteful number, since it uses less digits than its factorization.

6740619440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84257756 (or 84257750 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 6740619440 is about 82101.2755077532. The cubic root of 6740619440 is about 1889.0057049067.

The spelling of 6740619440 in words is "six billion, seven hundred forty million, six hundred nineteen thousand, four hundred forty".