385433220050 has 54 divisors (see below), whose sum is σ = 756787332879. Its totient is φ = 146027296800.

The previous prime is 385433220041. The next prime is 385433220059. The reversal of 385433220050 is 50022334583.

It is an interprime number because it is at equal distance from previous prime (385433220041) and next prime (385433220059).

It can be written as a sum of positive squares in 5 ways, for example, as 93423756409 + 292009463641 = 305653^2 + 540379^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=438995.

It is a super-2 number, since 2×385433220050² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385433220059) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 83406740 + ... + 83411360.

Almost surely, 2^385433220050 is an apocalyptic number.

385433220050 is a deficient number, since it is larger than the sum of its proper divisors (371354112829).

385433220050 is an frugal number, since it uses more digits than its factorization.

385433220050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292 (or 4647 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 385433220050 in words is "three hundred eighty-five billion, four hundred thirty-three million, two hundred twenty thousand, fifty".