506381185838 has 48 divisors (see below), whose sum is σ = 848338414560. Its totient is φ = 226481640000.

The previous prime is 506381185819. The next prime is 506381185861. The reversal of 506381185838 is 838581183605.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8716688 + ... + 8774588.

It is an arithmetic number, because the mean of its divisors is an integer number (17673716970).

Almost surely, 2^506381185838 is an apocalyptic number.

506381185838 is a deficient number, since it is larger than the sum of its proper divisors (341957228722).

506381185838 is a wasteful number, since it uses less digits than its factorization.

506381185838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58505 (or 58494 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 506381185838 in words is "five hundred six billion, three hundred eighty-one million, one hundred eighty-five thousand, eight hundred thirty-eight".