448721630576 has 20 divisors (see below), whose sum is σ = 907198079952. Its totient is φ = 214605997056.

The previous prime is 448721630549. The next prime is 448721630597. The reversal of 448721630576 is 675036127844.

It is a super-2 number, since 2×448721630576² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609675761 + ... + 609676496.

Almost surely, 2^448721630576 is an apocalyptic number.

448721630576 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

448721630576 is an abundant number, since it is smaller than the sum of its proper divisors (458476449376).

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

448721630576 is a wasteful number, since it uses less digits than its factorization.

448721630576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219352288 (or 1219352282 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 448721630576 in words is "four hundred forty-eight billion, seven hundred twenty-one million, six hundred thirty thousand, five hundred seventy-six".