449136024672 has 48 divisors (see below), whose sum is σ = 1184569710912. Its totient is φ = 149002465920.

The previous prime is 449136024569. The next prime is 449136024721. The reversal of 449136024672 is 276420631944.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11066238 + ... + 11106749.

It is an arithmetic number, because the mean of its divisors is an integer number (24678535644).

Almost surely, 2^449136024672 is an apocalyptic number.

It is an amenable number.

449136024672 is an abundant number, since it is smaller than the sum of its proper divisors (735433686240).

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

449136024672 is a wasteful number, since it uses less digits than its factorization.

449136024672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173211 (or 22173203 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 449136024672 in words is "four hundred forty-nine billion, one hundred thirty-six million, twenty-four thousand, six hundred seventy-two".