6634522742540 has 48 divisors (see below), whose sum is σ = 17370386820864. Its totient is φ = 2067903192000.

The previous prime is 6634522742503. The next prime is 6634522742569. The reversal of 6634522742540 is 452472254366.

It is a super-3 number, since 3×6634522742540³ (a number of 39 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2154064286 + ... + 2154067365.

It is an arithmetic number, because the mean of its divisors is an integer number (361883058768).

Almost surely, 2^{6634522742540} is an apocalyptic number.

It is an amenable number.

6634522742540 is an abundant number, since it is smaller than the sum of its proper divisors (10735864078324).

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

6634522742540 is a wasteful number, since it uses less digits than its factorization.

6634522742540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308131678 (or 4308131676 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 50.

The spelling of 6634522742540 in words is "six trillion, six hundred thirty-four billion, five hundred twenty-two million, seven hundred forty-two thousand, five hundred forty".