385400375002 has 8 divisors (see below), whose sum is σ = 581980432500. Its totient is φ = 191406897504.

The previous prime is 385400374999. The next prime is 385400375039. The reversal of 385400375002 is 200573004583.

It can be written as a sum of positive squares in 2 ways, for example, as 364669846641 + 20730528361 = 603879^2 + 143981^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646644627 + ... + 646645222.

Almost surely, 2^385400375002 is an apocalyptic number.

385400375002 is a deficient number, since it is larger than the sum of its proper divisors (196580057498).

385400375002 is a wasteful number, since it uses less digits than its factorization.

385400375002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293290000.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 385400375002 its reverse (200573004583), we get a palindrome (585973379585).

The spelling of 385400375002 in words is "three hundred eighty-five billion, four hundred million, three hundred seventy-five thousand, two".