48071440 has 20 divisors (see below), whose sum is σ = 111766284. Its totient is φ = 19228544.

The previous prime is 48071417. The next prime is 48071447. The reversal of 48071440 is 4417084.

It can be written as a sum of positive squares in 2 ways, for example, as 35426304 + 12645136 = 5952^2 + 3556^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×48071440³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 48071399 and 48071408.

It is not an unprimeable number, because it can be changed into a prime (48071447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 300367 + ... + 300526.

Almost surely, 2^48071440 is an apocalyptic number.

48071440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48071440 is an abundant number, since it is smaller than the sum of its proper divisors (63694844).

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

48071440 is a wasteful number, since it uses less digits than its factorization.

48071440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600906 (or 600900 counting only the distinct ones).

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

The square root of 48071440 is about 6933.3570512415. The cubic root of 48071440 is about 363.6043279354.

The spelling of 48071440 in words is "forty-eight million, seventy-one thousand, four hundred forty".