385548231518 has 16 divisors (see below), whose sum is σ = 579890313216. Its totient is φ = 192251561880.

The previous prime is 385548231517. The next prime is 385548231521. The reversal of 385548231518 is 815132845583.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 385548231518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385548231517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10524173 + ... + 10560743.

It is an arithmetic number, because the mean of its divisors is an integer number (36243144576).

Almost surely, 2^385548231518 is an apocalyptic number.

385548231518 is a deficient number, since it is larger than the sum of its proper divisors (194342081698).

385548231518 is a wasteful number, since it uses less digits than its factorization.

385548231518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50719.

The product of its digits is 4608000, while the sum is 53.

The spelling of 385548231518 in words is "three hundred eighty-five billion, five hundred forty-eight million, two hundred thirty-one thousand, five hundred eighteen".