385441776424 has 64 divisors (see below), whose sum is σ = 768280930560. Its totient is φ = 180659005440.

The previous prime is 385441776409. The next prime is 385441776427. The reversal of 385441776424 is 424677144583.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (385441776427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42770079 + ... + 42779089.

It is an arithmetic number, because the mean of its divisors is an integer number (12004389540).

Almost surely, 2^385441776424 is an apocalyptic number.

385441776424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

385441776424 is a deficient number, since it is larger than the sum of its proper divisors (382839154136).

385441776424 is a wasteful number, since it uses less digits than its factorization.

385441776424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258 (or 10254 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 55.

The spelling of 385441776424 in words is "three hundred eighty-five billion, four hundred forty-one million, seven hundred seventy-six thousand, four hundred twenty-four".