44553965868 has 108 divisors (see below), whose sum is σ = 122023891080. Its totient is φ = 14056511904.

The previous prime is 44553965831. The next prime is 44553965893. The reversal of 44553965868 is 86856935544.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

44553965868 is a `hidden beast` number, since 4 + 45 + 5 + 3 + 9 + 6 + 586 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41677638 + ... + 41678706.

Almost surely, 2^44553965868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44553965868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61011945540).

44553965868 is an abundant number, since it is smaller than the sum of its proper divisors (77469925212).

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

44553965868 is a wasteful number, since it uses less digits than its factorization.

44553965868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 1093 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 63.

The spelling of 44553965868 in words is "forty-four billion, five hundred fifty-three million, nine hundred sixty-five thousand, eight hundred sixty-eight".