48017440 has 24 divisors (see below), whose sum is σ = 113441580. Its totient is φ = 19206912.

The previous prime is 48017393. The next prime is 48017449. The reversal of 48017440 is 4471084.

It can be written as a sum of positive squares in 2 ways, for example, as 44675856 + 3341584 = 6684^2 + 1828^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 48017399 and 48017408.

It is not an unprimeable number, because it can be changed into a prime (48017449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149895 + ... + 150214.

Almost surely, 2^48017440 is an apocalyptic number.

48017440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48017440 is an abundant number, since it is smaller than the sum of its proper divisors (65424140).

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

48017440 is a wasteful number, since it uses less digits than its factorization.

48017440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300124 (or 300116 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 48017440 is about 6929.4617395581. The cubic root of 48017440 is about 363.4681279356.

The spelling of 48017440 in words is "forty-eight million, seventeen thousand, four hundred forty".