1845840342398 has 8 divisors (see below), whose sum is σ = 2981742091608. Its totient is φ = 851926311864.

The previous prime is 1845840342397. The next prime is 1845840342403. The reversal of 1845840342398 is 8932430485481.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845840342397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35496929636 + ... + 35496929687.

It is an arithmetic number, because the mean of its divisors is an integer number (372717761451).

Almost surely, 2^{1845840342398} is an apocalyptic number.

1845840342398 is a deficient number, since it is larger than the sum of its proper divisors (1135901749210).

1845840342398 is a wasteful number, since it uses less digits than its factorization.

1845840342398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70993859338.

The product of its (nonzero) digits is 26542080, while the sum is 59.

The spelling of 1845840342398 in words is "one trillion, eight hundred forty-five billion, eight hundred forty million, three hundred forty-two thousand, three hundred ninety-eight".