64765022448 has 120 divisors (see below), whose sum is σ = 204869089920. Its totient is φ = 17530369920.

The previous prime is 64765022389. The next prime is 64765022449. The reversal of 64765022448 is 84422056746.

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 = 64765022397 and 64765022406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64765022449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679948 + ... + 769323.

It is an arithmetic number, because the mean of its divisors is an integer number (1707242416).

Almost surely, 2^64765022448 is an apocalyptic number.

It is an amenable number.

64765022448 is an abundant number, since it is smaller than the sum of its proper divisors (140104067472).

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

64765022448 is a wasteful number, since it uses less digits than its factorization.

64765022448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449315 (or 1449302 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 64765022448 in words is "sixty-four billion, seven hundred sixty-five million, twenty-two thousand, four hundred forty-eight".