385144101838 has 16 divisors (see below), whose sum is σ = 619596274320. Its totient is φ = 178994477376.

The previous prime is 385144101799. The next prime is 385144101899. The reversal of 385144101838 is 838101441583.

It is a congruent number.

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, 95614695 + ... + 95618722.

It is an arithmetic number, because the mean of its divisors is an integer number (38724767145).

Almost surely, 2^385144101838 is an apocalyptic number.

385144101838 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

385144101838 is a deficient number, since it is larger than the sum of its proper divisors (234452172482).

385144101838 is a wasteful number, since it uses less digits than its factorization.

385144101838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191233491.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 385144101838 in words is "three hundred eighty-five billion, one hundred forty-four million, one hundred one thousand, eight hundred thirty-eight".