4085963550 has 72 divisors (see below), whose sum is σ = 10985167440. Its totient is φ = 1088841600.

The previous prime is 4085963537. The next prime is 4085963551. The reversal of 4085963550 is 553695804.

4085963550 is a `hidden beast` number, since 4 + 0 + 8 + 5 + 9 + 635 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 4085963496 and 4085963505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085963551) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1037986 + ... + 1041914.

It is an arithmetic number, because the mean of its divisors is an integer number (152571770).

Almost surely, 2^4085963550 is an apocalyptic number.

4085963550 is an abundant number, since it is smaller than the sum of its proper divisors (6899203890).

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

4085963550 is a wasteful number, since it uses less digits than its factorization.

4085963550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258 (or 6250 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 4085963550 is about 63921.5421434746. The cubic root of 4085963550 is about 1598.6921017406.

The spelling of 4085963550 in words is "four billion, eighty-five million, nine hundred sixty-three thousand, five hundred fifty".