64386064404 has 42 divisors (see below), whose sum is σ = 168936145770. Its totient is φ = 21462020496.

The previous prime is 64386064403. The next prime is 64386064423. The reversal of 64386064404 is 40446068346.

64386064404 is a `hidden beast` number, since 6 + 4 + 38 + 606 + 4 + 4 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64003940100 + 382124304 = 252990^2 + 19548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64386064404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64386064403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11037219 + ... + 11043050.

It is an arithmetic number, because the mean of its divisors is an integer number (4022289185).

Almost surely, 2^64386064404 is an apocalyptic number.

It is an amenable number.

64386064404 is an abundant number, since it is smaller than the sum of its proper divisors (104550081366).

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

64386064404 is a wasteful number, since it uses less digits than its factorization.

64386064404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22080291 (or 22080274 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 64386064404 in words is "sixty-four billion, three hundred eighty-six million, sixty-four thousand, four hundred four".