448721516 has 6 divisors (see below), whose sum is σ = 785262660. Its totient is φ = 224360756.

The previous prime is 448721509. The next prime is 448721521. The reversal of 448721516 is 615127844.

It is a self number, because there is not a number n which added to its sum of digits gives 448721516.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56090186 + ... + 56090193.

It is an arithmetic number, because the mean of its divisors is an integer number (130877110).

Almost surely, 2^448721516 is an apocalyptic number.

It is an amenable number.

448721516 is a deficient number, since it is larger than the sum of its proper divisors (336541144).

448721516 is a wasteful number, since it uses less digits than its factorization.

448721516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112180383 (or 112180381 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 448721516 is about 21183.0478449160. The cubic root of 448721516 is about 765.5830297049.

The spelling of 448721516 in words is "four hundred forty-eight million, seven hundred twenty-one thousand, five hundred sixteen".