63345884140 has 96 divisors (see below), whose sum is σ = 166810420224. Its totient is φ = 19629960960.

The previous prime is 63345884117. The next prime is 63345884141. The reversal of 63345884140 is 4148854336.

It is not an unprimeable number, because it can be changed into a prime (63345884141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147537 + ... + 385303.

It is an arithmetic number, because the mean of its divisors is an integer number (1737608544).

Almost surely, 2^63345884140 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 63345884140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83405210112).

63345884140 is an abundant number, since it is smaller than the sum of its proper divisors (103464536084).

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

63345884140 is a wasteful number, since it uses less digits than its factorization.

63345884140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237967 (or 237965 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 63345884140 in words is "sixty-three billion, three hundred forty-five million, eight hundred eighty-four thousand, one hundred forty".