8385550040 has 64 divisors (see below), whose sum is σ = 21579264000. Its totient is φ = 2872856448.

The previous prime is 8385550001. The next prime is 8385550081. The reversal of 8385550040 is 400555838.

It is a junction number, because it is equal to n+sod(n) for n = 8385549976 and 8385550003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381017 + ... + 402423.

It is an arithmetic number, because the mean of its divisors is an integer number (337176000).

Almost surely, 2^8385550040 is an apocalyptic number.

It is an amenable number.

8385550040 is an abundant number, since it is smaller than the sum of its proper divisors (13193713960).

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

8385550040 is a wasteful number, since it uses less digits than its factorization.

8385550040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22824 (or 22820 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 8385550040 is about 91572.6489733698. The cubic root of 8385550040 is about 2031.6264186788.

The spelling of 8385550040 in words is "eight billion, three hundred eighty-five million, five hundred fifty thousand, forty".