385020188552 has 8 divisors (see below), whose sum is σ = 721912853550. Its totient is φ = 192510094272.

The previous prime is 385020188521. The next prime is 385020188557. The reversal of 385020188552 is 255881020583.

It can be written as a sum of positive squares in only one way, i.e., 326994123556 + 58026064996 = 571834^2 + 240886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 385020188497 and 385020188506.

It is not an unprimeable number, because it can be changed into a prime (385020188557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24063761777 + ... + 24063761792.

Almost surely, 2^385020188552 is an apocalyptic number.

It is an amenable number.

385020188552 is a deficient number, since it is larger than the sum of its proper divisors (336892664998).

385020188552 is a wasteful number, since it uses less digits than its factorization.

385020188552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48127523575 (or 48127523571 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 47.

The spelling of 385020188552 in words is "three hundred eighty-five billion, twenty million, one hundred eighty-eight thousand, five hundred fifty-two".