6540354788 has 48 divisors (see below), whose sum is σ = 12688522560. Its totient is φ = 2925072000.

The previous prime is 6540354763. The next prime is 6540354803. The reversal of 6540354788 is 8874530456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719858 + ... + 728886.

It is an arithmetic number, because the mean of its divisors is an integer number (264344220).

Almost surely, 2^6540354788 is an apocalyptic number.

It is an amenable number.

6540354788 is a deficient number, since it is larger than the sum of its proper divisors (6148167772).

6540354788 is a wasteful number, since it uses less digits than its factorization.

6540354788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308 (or 9306 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The square root of 6540354788 is about 80872.4600095731. The cubic root of 6540354788 is about 1870.1097848936.

The spelling of 6540354788 in words is "six billion, five hundred forty million, three hundred fifty-four thousand, seven hundred eighty-eight".