57043740198 has 8 divisors (see below), whose sum is σ = 114087480408. Its totient is φ = 19014580064.

The previous prime is 57043740197. The next prime is 57043740203. The reversal of 57043740198 is 89104734075.

It is a happy number.

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

57043740198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57043740197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4753645011 + ... + 4753645022.

It is an arithmetic number, because the mean of its divisors is an integer number (14260935051).

Almost surely, 2^57043740198 is an apocalyptic number.

57043740198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57043740198 is a wasteful number, since it uses less digits than its factorization.

57043740198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507290038.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 57043740198 in words is "fifty-seven billion, forty-three million, seven hundred forty thousand, one hundred ninety-eight".