4641131550 has 192 divisors, whose sum is σ = 12862748160. Its totient is φ = 1098048000.

The previous prime is 4641131543. The next prime is 4641131587. The reversal of 4641131550 is 551311464.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20266836 + ... + 20267064.

It is an arithmetic number, because the mean of its divisors is an integer number (66993480).

Almost surely, 2^4641131550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4641131550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6431374080).

4641131550 is an abundant number, since it is smaller than the sum of its proper divisors (8221616610).

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

4641131550 is a wasteful number, since it uses less digits than its factorization.

4641131550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 4641131550 is about 68125.8508203751. The cubic root of 4641131550 is about 1668.0457556645.

The spelling of 4641131550 in words is "four billion, six hundred forty-one million, one hundred thirty-one thousand, five hundred fifty".