8641501400 has 96 divisors (see below), whose sum is σ = 22980672000. Its totient is φ = 2960353920.

The previous prime is 8641501399. The next prime is 8641501409. The reversal of 8641501400 is 41051468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8641501409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2769041 + ... + 2772159.

It is an arithmetic number, because the mean of its divisors is an integer number (239382000).

Almost surely, 2^8641501400 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 8641501400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11490336000).

8641501400 is an abundant number, since it is smaller than the sum of its proper divisors (14339170600).

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

8641501400 is a wasteful number, since it uses less digits than its factorization.

8641501400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5112 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 8641501400 is about 92959.6762042554. The cubic root of 8641501400 is about 2052.0899882893.

Adding to 8641501400 its reverse (41051468), we get a palindrome (8682552868).

The spelling of 8641501400 in words is "eight billion, six hundred forty-one million, five hundred one thousand, four hundred".