48400644544 has 168 divisors, whose sum is σ = 114319677888. Its totient is φ = 20267089920.

The previous prime is 48400644533. The next prime is 48400644581. The reversal of 48400644544 is 44544600484.

It is a self number, because there is not a number n which added to its sum of digits gives 48400644544.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 25867929 + ... + 25869799.

Almost surely, 2^48400644544 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 48400644544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57159838944).

48400644544 is an abundant number, since it is smaller than the sum of its proper divisors (65919033344).

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

48400644544 is a wasteful number, since it uses less digits than its factorization.

48400644544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2066 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 43.

The spelling of 48400644544 in words is "forty-eight billion, four hundred million, six hundred forty-four thousand, five hundred forty-four".