856054932480 has 704 divisors, whose sum is σ = 3339697858560. Its totient is φ = 206224588800.

The previous prime is 856054932431. The next prime is 856054932521. The reversal of 856054932480 is 84239450658.

856054932480 is a `hidden beast` number, since 8 + 5 + 60 + 549 + 32 + 4 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 253945195 + ... + 253948565.

Almost surely, 2^856054932480 is an apocalyptic number.

856054932480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 856054932480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669848929280).

856054932480 is an abundant number, since it is smaller than the sum of its proper divisors (2483642926080).

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

856054932480 is a wasteful number, since it uses less digits than its factorization.

856054932480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 856054932480 in words is "eight hundred fifty-six billion, fifty-four million, nine hundred thirty-two thousand, four hundred eighty".