64433450148 has 24 divisors (see below), whose sum is σ = 152809386240. Its totient is φ = 21125721120.

The previous prime is 64433450113. The next prime is 64433450153. The reversal of 64433450148 is 84105433446.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44011188 + ... + 44012651.

It is an arithmetic number, because the mean of its divisors is an integer number (6367057760).

Almost surely, 2^64433450148 is an apocalyptic number.

It is an amenable number.

64433450148 is an abundant number, since it is smaller than the sum of its proper divisors (88375936092).

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

64433450148 is a wasteful number, since it uses less digits than its factorization.

64433450148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88023907 (or 88023905 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 64433450148 in words is "sixty-four billion, four hundred thirty-three million, four hundred fifty thousand, one hundred forty-eight".