1854040143728 has 20 divisors (see below), whose sum is σ = 3596643103680. Its totient is φ = 925874181504.

The previous prime is 1854040143677. The next prime is 1854040143773. The reversal of 1854040143728 is 8273410404581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71604800 + ... + 71630687.

It is an arithmetic number, because the mean of its divisors is an integer number (179832155184).

Almost surely, 2^{1854040143728} is an apocalyptic number.

It is an amenable number.

1854040143728 is a deficient number, since it is larger than the sum of its proper divisors (1742602959952).

1854040143728 is a wasteful number, since it uses less digits than its factorization.

1854040143728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143236304 (or 143236298 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 1854040143728 in words is "one trillion, eight hundred fifty-four billion, forty million, one hundred forty-three thousand, seven hundred twenty-eight".