64208442 has 8 divisors (see below), whose sum is σ = 128416896. Its totient is φ = 21402812.

The previous prime is 64208423. The next prime is 64208491. The reversal of 64208442 is 24480246.

It is a sphenic number, since it is the product of 3 distinct primes.

64208442 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5350698 + ... + 5350709.

It is an arithmetic number, because the mean of its divisors is an integer number (16052112).

Almost surely, 2^64208442 is an apocalyptic number.

64208442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64208442 is a wasteful number, since it uses less digits than its factorization.

64208442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10701412.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 64208442 is about 8013.0170348003. The cubic root of 64208442 is about 400.4337835761.

Adding to 64208442 its reverse (24480246), we get a palindrome (88688688).

The spelling of 64208442 in words is "sixty-four million, two hundred eight thousand, four hundred forty-two".