6535763840 has 32 divisors (see below), whose sum is σ = 15624561960. Its totient is φ = 2614305280.

The previous prime is 6535763791. The next prime is 6535763851. The reversal of 6535763840 is 483675356.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105426 + ... + 5106705.

Almost surely, 2^6535763840 is an apocalyptic number.

It is an amenable number.

6535763840 is an abundant number, since it is smaller than the sum of its proper divisors (9088798120).

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

6535763840 is a wasteful number, since it uses less digits than its factorization.

6535763840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212150 (or 10212138 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The square root of 6535763840 is about 80844.0711493428. The cubic root of 6535763840 is about 1869.6721131007.

The spelling of 6535763840 in words is "six billion, five hundred thirty-five million, seven hundred sixty-three thousand, eight hundred forty".