64302132620 has 96 divisors (see below), whose sum is σ = 148203095040. Its totient is φ = 23241290240.

The previous prime is 64302132617. The next prime is 64302132637. The reversal of 64302132620 is 2623120346.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45060347 + ... + 45061773.

It is an arithmetic number, because the mean of its divisors is an integer number (1543782240).

Almost surely, 2^64302132620 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 64302132620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74101547520).

64302132620 is an abundant number, since it is smaller than the sum of its proper divisors (83900962420).

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

64302132620 is a wasteful number, since it uses less digits than its factorization.

64302132620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 64302132620 its reverse (2623120346), we get a palindrome (66925252966).

The spelling of 64302132620 in words is "sixty-four billion, three hundred two million, one hundred thirty-two thousand, six hundred twenty".