1840499194474 has 8 divisors (see below), whose sum is σ = 2760754957380. Its totient is φ = 920247542016.

The previous prime is 1840499194451. The next prime is 1840499194481. The reversal of 1840499194474 is 4744919940481.

It can be written as a sum of positive squares in 2 ways, for example, as 1839801970449 + 697224025 = 1356393^2 + 26405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 620362 + ... + 2016394.

Almost surely, 2^{1840499194474} is an apocalyptic number.

1840499194474 is a deficient number, since it is larger than the sum of its proper divisors (920255762906).

1840499194474 is a wasteful number, since it uses less digits than its factorization.

1840499194474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055224.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 1840499194474 in words is "one trillion, eight hundred forty billion, four hundred ninety-nine million, one hundred ninety-four thousand, four hundred seventy-four".