57144646438 has 16 divisors (see below), whose sum is σ = 95684060736. Its totient is φ = 25370772840.

The previous prime is 57144646423. The next prime is 57144646453. The reversal of 57144646438 is 83464644175.

It is an interprime number because it is at equal distance from previous prime (57144646423) and next prime (57144646453).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30202356 + ... + 30204247.

It is an arithmetic number, because the mean of its divisors is an integer number (5980253796).

Almost surely, 2^57144646438 is an apocalyptic number.

57144646438 is a deficient number, since it is larger than the sum of its proper divisors (38539414298).

57144646438 is a wasteful number, since it uses less digits than its factorization.

57144646438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60406659.

The product of its digits is 7741440, while the sum is 52.

The spelling of 57144646438 in words is "fifty-seven billion, one hundred forty-four million, six hundred forty-six thousand, four hundred thirty-eight".