1854001124844 has 48 divisors (see below), whose sum is σ = 4736689982976. Its totient is φ = 559745380800.

The previous prime is 1854001124839. The next prime is 1854001124873. The reversal of 1854001124844 is 4484211004581.

It is a junction number, because it is equal to n+sod(n) for n = 1854001124796 and 1854001124805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25878367 + ... + 25949910.

It is an arithmetic number, because the mean of its divisors is an integer number (98681041312).

Almost surely, 2^{1854001124844} is an apocalyptic number.

It is an amenable number.

1854001124844 is an abundant number, since it is smaller than the sum of its proper divisors (2882688858132).

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

1854001124844 is a wasteful number, since it uses less digits than its factorization.

1854001124844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51828566 (or 51828564 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 1854001124844 in words is "one trillion, eight hundred fifty-four billion, one million, one hundred twenty-four thousand, eight hundred forty-four".