4442426064 has 60 divisors (see below), whose sum is σ = 12438075936. Its totient is φ = 1480159296.

The previous prime is 4442426059. The next prime is 4442426069. The reversal of 4442426064 is 4606242444.

4442426064 is a `hidden beast` number, since 4 + 4 + 4 + 2 + 42 + 606 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (4442426059) and next prime (4442426069).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442426069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412719 + ... + 423345.

Almost surely, 2^4442426064 is an apocalyptic number.

It is an amenable number.

4442426064 is an abundant number, since it is smaller than the sum of its proper divisors (7995649872).

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

4442426064 is a wasteful number, since it uses less digits than its factorization.

4442426064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13544 (or 13535 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The square root of 4442426064 is about 66651.5270942834. The cubic root of 4442426064 is about 1643.8924574901.

The spelling of 4442426064 in words is "four billion, four hundred forty-two million, four hundred twenty-six thousand, sixty-four".