48381444 has 36 divisors (see below), whose sum is σ = 123243120. Its totient is φ = 16002480.

The previous prime is 48381409. The next prime is 48381449. The reversal of 48381444 is 44418384.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 48381399 and 48381408.

It is not an unprimeable number, because it can be changed into a prime (48381449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414 + ... + 9845.

It is an arithmetic number, because the mean of its divisors is an integer number (3423420).

Almost surely, 2^48381444 is an apocalyptic number.

It is an amenable number.

48381444 is an abundant number, since it is smaller than the sum of its proper divisors (74861676).

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

48381444 is a wasteful number, since it uses less digits than its factorization.

48381444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400 (or 10395 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 48381444 is about 6955.6771057892. The cubic root of 48381444 is about 364.3842599104.

The spelling of 48381444 in words is "forty-eight million, three hundred eighty-one thousand, four hundred forty-four".