64424412 has 36 divisors (see below), whose sum is σ = 175378840. Its totient is φ = 19822752.

The previous prime is 64424389. The next prime is 64424413. The reversal of 64424412 is 21442446.

It is a happy number.

64424412 is a `hidden beast` number, since 644 + 2 + 4 + 4 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64424413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68362 + ... + 69297.

Almost surely, 2^64424412 is an apocalyptic number.

It is an amenable number.

64424412 is an abundant number, since it is smaller than the sum of its proper divisors (110954428).

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

64424412 is a wasteful number, since it uses less digits than its factorization.

64424412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137682 (or 137677 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 64424412 is about 8026.4819192471. The cubic root of 64424412 is about 400.8822443483.

Adding to 64424412 its reverse (21442446), we get a palindrome (85866858).

The spelling of 64424412 in words is "sixty-four million, four hundred twenty-four thousand, four hundred twelve".