48409920 has 224 divisors, whose sum is σ = 184343040. Its totient is φ = 11888640.

The previous prime is 48409919. The next prime is 48409937. The reversal of 48409920 is 2990484.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 112105 + ... + 112535.

It is an arithmetic number, because the mean of its divisors is an integer number (822960).

Almost surely, 2^48409920 is an apocalyptic number.

48409920 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 48409920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92171520).

48409920 is an abundant number, since it is smaller than the sum of its proper divisors (135933120).

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

48409920 is a wasteful number, since it uses less digits than its factorization.

48409920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 48409920 is about 6957.7237657153. The cubic root of 48409920 is about 364.4557347726.

The spelling of 48409920 in words is "forty-eight million, four hundred nine thousand, nine hundred twenty".