2085899972000 has 96 divisors (see below), whose sum is σ = 5519291463504. Its totient is φ = 770178432000.

The previous prime is 2085899971973. The next prime is 2085899972011. The reversal of 2085899972000 is 2799985802.

It can be written as a sum of positive squares in 8 ways, for example, as 137988475024 + 1947911496976 = 371468^2 + 1395676^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20004731 + ... + 20108730.

Almost surely, 2^{2085899972000} is an apocalyptic number.

2085899972000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2085899972000 is an abundant number, since it is smaller than the sum of its proper divisors (3433391491504).

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

2085899972000 is a wasteful number, since it uses less digits than its factorization.

2085899972000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40113499 (or 40113481 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 59.

The spelling of 2085899972000 in words is "two trillion, eighty-five billion, eight hundred ninety-nine million, nine hundred seventy-two thousand".