64255444455246 has 64 divisors (see below), whose sum is σ = 141819738278400. Its totient is φ = 19245664627200.

The previous prime is 64255444455227. The next prime is 64255444455283.

64255444455246 is nontrivially palindromic in base 10.

64255444455246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64255444455246.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 14434650 + ... + 18354018.

It is an arithmetic number, because the mean of its divisors is an integer number (2215933410600).

Almost surely, 2^{64255444455246} is an apocalyptic number.

64255444455246 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 64255444455246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70909869139200).

64255444455246 is an abundant number, since it is smaller than the sum of its proper divisors (77564293823154).

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

64255444455246 is a wasteful number, since it uses less digits than its factorization.

64255444455246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922265.

The product of its digits is 368640000, while the sum is 60.

The spelling of 64255444455246 in words is "sixty-four trillion, two hundred fifty-five billion, four hundred forty-four million, four hundred fifty-five thousand, two hundred forty-six".