64434304848 has 160 divisors (see below), whose sum is σ = 171177932800. Its totient is φ = 20879659008.

The previous prime is 64434304829. The next prime is 64434304969. The reversal of 64434304848 is 84840343446.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 64434304797 and 64434304806.

It is a congruent number.

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, 104093883 + ... + 104094501.

It is an arithmetic number, because the mean of its divisors is an integer number (1069862080).

Almost surely, 2^64434304848 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 64434304848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85588966400).

64434304848 is an abundant number, since it is smaller than the sum of its proper divisors (106743627952).

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

64434304848 is a wasteful number, since it uses less digits than its factorization.

64434304848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 48.

The spelling of 64434304848 in words is "sixty-four billion, four hundred thirty-four million, three hundred four thousand, eight hundred forty-eight".