385670564442 has 48 divisors (see below), whose sum is σ = 858722724288. Its totient is φ = 125028187200.

The previous prime is 385670564437. The next prime is 385670564443. The reversal of 385670564442 is 244465076583.

385670564442 is a `hidden beast` number, since 3 + 8 + 5 + 6 + 70 + 564 + 4 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (385670564443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 888934 + ... + 1249617.

It is an arithmetic number, because the mean of its divisors is an integer number (17890056756).

Almost surely, 2^385670564442 is an apocalyptic number.

385670564442 is an abundant number, since it is smaller than the sum of its proper divisors (473052159846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385670564442 is a wasteful number, since it uses less digits than its factorization.

385670564442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138835 (or 2138832 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 385670564442 in words is "three hundred eighty-five billion, six hundred seventy million, five hundred sixty-four thousand, four hundred forty-two".