854581461000 has 128 divisors (see below), whose sum is σ = 2670649488000. Its totient is φ = 227516140800.

The previous prime is 854581460959. The next prime is 854581461049. The reversal of 854581461000 is 164185458.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1606651 + ... + 2071349.

It is an arithmetic number, because the mean of its divisors is an integer number (20864449125).

Almost surely, 2^854581461000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854581461000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335324744000).

854581461000 is an abundant number, since it is smaller than the sum of its proper divisors (1816068027000).

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

854581461000 is a wasteful number, since it uses less digits than its factorization.

854581461000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465336 (or 465322 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 854581461000 in words is "eight hundred fifty-four billion, five hundred eighty-one million, four hundred sixty-one thousand".