1854040143730 has 16 divisors (see below), whose sum is σ = 3358528772760. Its totient is φ = 736892387712.

The previous prime is 1854040143677. The next prime is 1854040143773. The reversal of 1854040143730 is 373410404581.

It can be written as a sum of positive squares in 4 ways, for example, as 1399401459369 + 454638684361 = 1182963^2 + 674269^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590457075 + ... + 590460214.

Almost surely, 2^{1854040143730} is an apocalyptic number.

1854040143730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1854040143730 is a deficient number, since it is larger than the sum of its proper divisors (1504488629030).

1854040143730 is a wasteful number, since it uses less digits than its factorization.

1854040143730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180917453.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 1854040143730 in words is "one trillion, eight hundred fifty-four billion, forty million, one hundred forty-three thousand, seven hundred thirty".