64365456348 has 72 divisors (see below), whose sum is σ = 165040512000. Its totient is φ = 21147643296.

The previous prime is 64365456341. The next prime is 64365456349. The reversal of 64365456348 is 84365456346.

64365456348 is a `hidden beast` number, since 6 + 4 + 36 + 5 + 4 + 563 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 64365456294 and 64365456303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64365456341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1684665 + ... + 1722447.

Almost surely, 2^64365456348 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 64365456348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82520256000).

64365456348 is an abundant number, since it is smaller than the sum of its proper divisors (100675055652).

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

64365456348 is a wasteful number, since it uses less digits than its factorization.

64365456348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38471 (or 38466 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 54.

The spelling of 64365456348 in words is "sixty-four billion, three hundred sixty-five million, four hundred fifty-six thousand, three hundred forty-eight".