64957448448 has 360 divisors, whose sum is σ = 199667633088. Its totient is φ = 20992462848.

The previous prime is 64957448431. The next prime is 64957448459. The reversal of 64957448448 is 84484475946.

64957448448 is a `hidden beast` number, since 6 + 49 + 5 + 74 + 484 + 48 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 234503286 + ... + 234503562.

Almost surely, 2^64957448448 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 64957448448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99833816544).

64957448448 is an abundant number, since it is smaller than the sum of its proper divisors (134710184640).

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

64957448448 is a wasteful number, since it uses less digits than its factorization.

64957448448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 588 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 63.

The spelling of 64957448448 in words is "sixty-four billion, nine hundred fifty-seven million, four hundred forty-eight thousand, four hundred forty-eight".