64441230612 has 48 divisors (see below), whose sum is σ = 168033023424. Its totient is φ = 19051360000.

The previous prime is 64441230577. The next prime is 64441230613. The reversal of 64441230612 is 21603214446.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64441230613) 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 15 ways as a sum of consecutive naturals, for example, 5948139 + ... + 5958962.

It is an arithmetic number, because the mean of its divisors is an integer number (3500687988).

Almost surely, 2^64441230612 is an apocalyptic number.

It is an amenable number.

64441230612 is an abundant number, since it is smaller than the sum of its proper divisors (103591792812).

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

64441230612 is a wasteful number, since it uses less digits than its factorization.

64441230612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11907160 (or 11907158 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 64441230612 in words is "sixty-four billion, four hundred forty-one million, two hundred thirty thousand, six hundred twelve".