4651717587540 has 96 divisors (see below), whose sum is σ = 13351057015296. Its totient is φ = 1209487870080.

The previous prime is 4651717587533. The next prime is 4651717587541. The reversal of 4651717587540 is 457857171564.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4651717587541) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 105622 + ... + 3051981.

It is an arithmetic number, because the mean of its divisors is an integer number (139073510576).

Almost surely, 2^{4651717587540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4651717587540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6675528507648).

4651717587540 is an abundant number, since it is smaller than the sum of its proper divisors (8699339427756).

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

4651717587540 is a wasteful number, since it uses less digits than its factorization.

4651717587540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158229 (or 3158227 counting only the distinct ones).

The product of its (nonzero) digits is 32928000, while the sum is 60.

The spelling of 4651717587540 in words is "four trillion, six hundred fifty-one billion, seven hundred seventeen million, five hundred eighty-seven thousand, five hundred forty".