448401641628 has 12 divisors (see below), whose sum is σ = 1046270497160. Its totient is φ = 149467213872.

The previous prime is 448401641603. The next prime is 448401641629. The reversal of 448401641628 is 826146104844.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448401641629) 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, 18683401723 + ... + 18683401746.

Almost surely, 2^448401641628 is an apocalyptic number.

It is an amenable number.

448401641628 is an abundant number, since it is smaller than the sum of its proper divisors (597868855532).

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

448401641628 is a wasteful number, since it uses less digits than its factorization.

448401641628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37366803476 (or 37366803474 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 448401641628 in words is "four hundred forty-eight billion, four hundred one million, six hundred forty-one thousand, six hundred twenty-eight".