856592480 has 48 divisors (see below), whose sum is σ = 2033370864. Its totient is φ = 340999680.

The previous prime is 856592467. The next prime is 856592483. The reversal of 856592480 is 84295658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856592483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21074 + ... + 46446.

It is an arithmetic number, because the mean of its divisors is an integer number (42361893).

Almost surely, 2^856592480 is an apocalyptic number.

856592480 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 856592480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016685432).

856592480 is an abundant number, since it is smaller than the sum of its proper divisors (1176778384).

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

856592480 is a wasteful number, since it uses less digits than its factorization.

856592480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25599 (or 25591 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 856592480 is about 29267.6011999617. The cubic root of 856592480 is about 949.7108926362.

The spelling of 856592480 in words is "eight hundred fifty-six million, five hundred ninety-two thousand, four hundred eighty".