48115440 has 120 divisors (see below), whose sum is σ = 171136368. Its totient is φ = 12072960.

The previous prime is 48115399. The next prime is 48115469. The reversal of 48115440 is 4451184.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10275 + ... + 14205.

Almost surely, 2^48115440 is an apocalyptic number.

48115440 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 48115440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85568184).

48115440 is an abundant number, since it is smaller than the sum of its proper divisors (123020928).

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

48115440 is a wasteful number, since it uses less digits than its factorization.

48115440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 48115440 is about 6936.5293915617. The cubic root of 48115440 is about 363.7152303181.

The spelling of 48115440 in words is "forty-eight million, one hundred fifteen thousand, four hundred forty".