985204588040 has 32 divisors (see below), whose sum is σ = 2216740279680. Its totient is φ = 394076509632.

The previous prime is 985204588033. The next prime is 985204588099. The reversal of 985204588040 is 40885402589.

It is a super-2 number, since 2×985204588040² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 4330817 + ... + 4552623.

It is an arithmetic number, because the mean of its divisors is an integer number (69273133740).

Almost surely, 2^985204588040 is an apocalyptic number.

It is an amenable number.

985204588040 is an abundant number, since it is smaller than the sum of its proper divisors (1231535691640).

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

985204588040 is a wasteful number, since it uses less digits than its factorization.

985204588040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332861 (or 332857 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 985204588040 in words is "nine hundred eighty-five billion, two hundred four million, five hundred eighty-eight thousand, forty".