855054372810 has 128 divisors (see below), whose sum is σ = 2296312934400. Its totient is φ = 201988811520.

The previous prime is 855054372803. The next prime is 855054372829. The reversal of 855054372810 is 18273450558.

It is a super-2 number, since 2×855054372810² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 855054372810.

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, 3431421 + ... + 3672159.

It is an arithmetic number, because the mean of its divisors is an integer number (17939944800).

Almost surely, 2^855054372810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855054372810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148156467200).

855054372810 is an abundant number, since it is smaller than the sum of its proper divisors (1441258561590).

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

855054372810 is a wasteful number, since it uses less digits than its factorization.

855054372810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241036.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 855054372810 in words is "eight hundred fifty-five billion, fifty-four million, three hundred seventy-two thousand, eight hundred ten".