64444000242 has 16 divisors (see below), whose sum is σ = 134491826880. Its totient is φ = 20547362352.

The previous prime is 64444000193. The next prime is 64444000267. The reversal of 64444000242 is 24200044446.

64444000242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233492617 + ... + 233492892.

It is an arithmetic number, because the mean of its divisors is an integer number (8405739180).

Almost surely, 2^64444000242 is an apocalyptic number.

64444000242 is an abundant number, since it is smaller than the sum of its proper divisors (70047826638).

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

64444000242 is a wasteful number, since it uses less digits than its factorization.

64444000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466985537.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 64444000242 its reverse (24200044446), we get a palindrome (88644044688).

The spelling of 64444000242 in words is "sixty-four billion, four hundred forty-four million, two hundred forty-two", and thus it is an aban number.