985872100240 has 40 divisors (see below), whose sum is σ = 2292449722488. Its totient is φ = 394297728000.

The previous prime is 985872100223. The next prime is 985872100277. The reversal of 985872100240 is 42001278589.

It can be written as a sum of positive squares in 4 ways, for example, as 118768458384 + 867103641856 = 344628^2 + 931184^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 174511 + ... + 1414990.

Almost surely, 2^985872100240 is an apocalyptic number.

It is an amenable number.

985872100240 is an abundant number, since it is smaller than the sum of its proper divisors (1306577622248).

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

985872100240 is a wasteful number, since it uses less digits than its factorization.

985872100240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597267 (or 1597261 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 985872100240 in words is "nine hundred eighty-five billion, eight hundred seventy-two million, one hundred thousand, two hundred forty".