48253440 has 160 divisors (see below), whose sum is σ = 158311296. Its totient is φ = 12533760.

The previous prime is 48253393. The next prime is 48253441. The reversal of 48253440 is 4435284.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 48253398 and 48253407.

It is not an unprimeable number, because it can be changed into a prime (48253441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468429 + ... + 468531.

Almost surely, 2^48253440 is an apocalyptic number.

48253440 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 48253440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79155648).

48253440 is an abundant number, since it is smaller than the sum of its proper divisors (110057856).

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

48253440 is a wasteful number, since it uses less digits than its factorization.

48253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 48253440 is about 6946.4696069298. The cubic root of 48253440 is about 364.0626225632.

The spelling of 48253440 in words is "forty-eight million, two hundred fifty-three thousand, four hundred forty".