449655571860 has 48 divisors (see below), whose sum is σ = 1373493385152. Its totient is φ = 109007411200.

The previous prime is 449655571853. The next prime is 449655571891. The reversal of 449655571860 is 68175556944.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 449655571794 and 449655571803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340647501 + ... + 340648820.

It is an arithmetic number, because the mean of its divisors is an integer number (28614445524).

Almost surely, 2^449655571860 is an apocalyptic number.

It is an amenable number.

449655571860 is an abundant number, since it is smaller than the sum of its proper divisors (923837813292).

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

449655571860 is a wasteful number, since it uses less digits than its factorization.

449655571860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681296344 (or 681296342 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 60.

The spelling of 449655571860 in words is "four hundred forty-nine billion, six hundred fifty-five million, five hundred seventy-one thousand, eight hundred sixty".