64350316140 has 384 divisors, whose sum is σ = 206769024000. Its totient is φ = 14817116160.

The previous prime is 64350316139. The next prime is 64350316201. The reversal of 64350316140 is 4161305346.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 127 ways as a sum of consecutive naturals, for example, 184384686 + ... + 184385034.

It is an arithmetic number, because the mean of its divisors is an integer number (538461000).

Almost surely, 2^64350316140 is an apocalyptic number.

64350316140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64350316140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103384512000).

64350316140 is an abundant number, since it is smaller than the sum of its proper divisors (142418707860).

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

64350316140 is a wasteful number, since it uses less digits than its factorization.

64350316140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 64350316140 in words is "sixty-four billion, three hundred fifty million, three hundred sixteen thousand, one hundred forty".