385951229644 has 24 divisors (see below), whose sum is σ = 677306212128. Its totient is φ = 192435559680.

The previous prime is 385951229633. The next prime is 385951229689. The reversal of 385951229644 is 446922159583.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4022817 + ... + 4117639.

It is an arithmetic number, because the mean of its divisors is an integer number (28221092172).

Almost surely, 2^385951229644 is an apocalyptic number.

It is an amenable number.

385951229644 is a deficient number, since it is larger than the sum of its proper divisors (291354982484).

385951229644 is a wasteful number, since it uses less digits than its factorization.

385951229644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97665 (or 97663 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The spelling of 385951229644 in words is "three hundred eighty-five billion, nine hundred fifty-one million, two hundred twenty-nine thousand, six hundred forty-four".