64014548020 has 96 divisors (see below), whose sum is σ = 144046780416. Its totient is φ = 23854348800.

The previous prime is 64014547981. The next prime is 64014548023. The reversal of 64014548020 is 2084541046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64014548023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1759534 + ... + 1795546.

It is an arithmetic number, because the mean of its divisors is an integer number (1500487296).

Almost surely, 2^64014548020 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 64014548020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72023390208).

64014548020 is an abundant number, since it is smaller than the sum of its proper divisors (80032232396).

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

64014548020 is a wasteful number, since it uses less digits than its factorization.

64014548020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36161 (or 36159 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 64014548020 in words is "sixty-four billion, fourteen million, five hundred forty-eight thousand, twenty".