856444548 has 12 divisors (see below), whose sum is σ = 1998370640. Its totient is φ = 285481512.

The previous prime is 856444517. The next prime is 856444553. The reversal of 856444548 is 845444658.

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

It is a junction number, because it is equal to n+sod(n) for n = 856444497 and 856444506.

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, 35685178 + ... + 35685201.

Almost surely, 2^856444548 is an apocalyptic number.

It is an amenable number.

856444548 is an abundant number, since it is smaller than the sum of its proper divisors (1141926092).

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

856444548 is a wasteful number, since it uses less digits than its factorization.

856444548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71370386 (or 71370384 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 48.

The square root of 856444548 is about 29265.0738594660. The cubic root of 856444548 is about 949.6562183605.

The spelling of 856444548 in words is "eight hundred fifty-six million, four hundred forty-four thousand, five hundred forty-eight".