4640133827550 has 96 divisors (see below), whose sum is σ = 12656401938432. Its totient is φ = 1117884919680.

The previous prime is 4640133827519. The next prime is 4640133827627. The reversal of 4640133827550 is 557283310464.

It is a self number, because there is not a number n which added to its sum of digits gives 4640133827550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25222774 + ... + 25406073.

It is an arithmetic number, because the mean of its divisors is an integer number (131837520192).

Almost surely, 2^{4640133827550} is an apocalyptic number.

4640133827550 is an abundant number, since it is smaller than the sum of its proper divisors (8016268110882).

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

4640133827550 is a wasteful number, since it uses less digits than its factorization.

4640133827550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50628922 (or 50628917 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 4640133827550 in words is "four trillion, six hundred forty billion, one hundred thirty-three million, eight hundred twenty-seven thousand, five hundred fifty".