385843616402 has 36 divisors (see below), whose sum is σ = 622575812250. Its totient is φ = 179318632896.

The previous prime is 385843616399. The next prime is 385843616429. The reversal of 385843616402 is 204616348583.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 376604369761 + 9239246641 = 613681^2 + 96121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1932974 + ... + 2123222.

Almost surely, 2^385843616402 is an apocalyptic number.

385843616402 is a deficient number, since it is larger than the sum of its proper divisors (236732195848).

385843616402 is a wasteful number, since it uses less digits than its factorization.

385843616402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190395 (or 190323 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 385843616402 in words is "three hundred eighty-five billion, eight hundred forty-three million, six hundred sixteen thousand, four hundred two".