64252415326 has 16 divisors (see below), whose sum is σ = 105150874608. Its totient is φ = 29202710400.

The previous prime is 64252415323. The next prime is 64252415333. The reversal of 64252415326 is 62351425246.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64252415323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85576 + ... + 368548.

It is an arithmetic number, because the mean of its divisors is an integer number (6571929663).

Almost surely, 2^64252415326 is an apocalyptic number.

64252415326 is a deficient number, since it is larger than the sum of its proper divisors (40898459282).

64252415326 is a wasteful number, since it uses less digits than its factorization.

64252415326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293307.

The product of its digits is 345600, while the sum is 40.

The spelling of 64252415326 in words is "sixty-four billion, two hundred fifty-two million, four hundred fifteen thousand, three hundred twenty-six".