448142540 has 24 divisors (see below), whose sum is σ = 943134192. Its totient is φ = 178869440.

The previous prime is 448142537. The next prime is 448142543. The reversal of 448142540 is 45241844.

It is an interprime number because it is at equal distance from previous prime (448142537) and next prime (448142543).

It is a junction number, because it is equal to n+sod(n) for n = 448142497 and 448142506.

It is not an unprimeable number, because it can be changed into a prime (448142543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14651 + ... + 33330.

It is an arithmetic number, because the mean of its divisors is an integer number (39297258).

Almost surely, 2^448142540 is an apocalyptic number.

It is an amenable number.

448142540 is an abundant number, since it is smaller than the sum of its proper divisors (494991652).

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

448142540 is a wasteful number, since it uses less digits than its factorization.

448142540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48457 (or 48455 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 448142540 is about 21169.3774117238. The cubic root of 448142540 is about 765.2536160547.

The spelling of 448142540 in words is "four hundred forty-eight million, one hundred forty-two thousand, five hundred forty".