64446012 has 36 divisors (see below), whose sum is σ = 165581416. Its totient is φ = 21129120.

The previous prime is 64446001. The next prime is 64446013. The reversal of 64446012 is 21064446.

64446012 is a `hidden beast` number, since 644 + 4 + 6 + 0 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64446013) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12478 + ... + 16869.

Almost surely, 2^64446012 is an apocalyptic number.

It is an amenable number.

64446012 is an abundant number, since it is smaller than the sum of its proper divisors (101135404).

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

64446012 is a wasteful number, since it uses less digits than its factorization.

64446012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29418 (or 29413 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 64446012 is about 8027.8273524036. The cubic root of 64446012 is about 400.9270414920.

It can be divided in two parts, 644 and 46012, that added together give a 6-th power (46656 = 6⁶).

The spelling of 64446012 in words is "sixty-four million, four hundred forty-six thousand, twelve".