4085001908572 has 96 divisors (see below), whose sum is σ = 8405648705664. Its totient is φ = 1719733248000.

The previous prime is 4085001908567. The next prime is 4085001908573. The reversal of 4085001908572 is 2758091005804.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085001908573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5099638 + ... + 5846050.

It is an arithmetic number, because the mean of its divisors is an integer number (87558840684).

Almost surely, 2^{4085001908572} is an apocalyptic number.

It is an amenable number.

4085001908572 is an abundant number, since it is smaller than the sum of its proper divisors (4320646797092).

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

4085001908572 is a wasteful number, since it uses less digits than its factorization.

4085001908572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746639 (or 746637 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 4085001908572 in words is "four trillion, eighty-five billion, one million, nine hundred eight thousand, five hundred seventy-two".