48481920 has 192 divisors, whose sum is σ = 176623200. Its totient is φ = 12220416.

The previous prime is 48481913. The next prime is 48481931. The reversal of 48481920 is 2918484.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 109219 + ... + 109661.

Almost surely, 2^48481920 is an apocalyptic number.

48481920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48481920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88311600).

48481920 is an abundant number, since it is smaller than the sum of its proper divisors (128141280).

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

48481920 is a wasteful number, since it uses less digits than its factorization.

48481920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 48481920 is about 6962.8959492441. The cubic root of 48481920 is about 364.6363300882.

The spelling of 48481920 in words is "forty-eight million, four hundred eighty-one thousand, nine hundred twenty".