2185778290080 has 192 divisors, whose sum is σ = 8584147611648. Its totient is φ = 454187688960.

The previous prime is 2185778290067. The next prime is 2185778290099. The reversal of 2185778290080 is 800928775812.

It is a self number, because there is not a number n which added to its sum of digits gives 2185778290080.

It is an unprimeable number.

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, 29532552 + ... + 29606471.

It is an arithmetic number, because the mean of its divisors is an integer number (44709102144).

Almost surely, 2^{2185778290080} is an apocalyptic number.

2185778290080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2185778290080 is an abundant number, since it is smaller than the sum of its proper divisors (6398369321568).

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

2185778290080 is a wasteful number, since it uses less digits than its factorization.

2185778290080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59139059 (or 59139051 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 57.

The spelling of 2185778290080 in words is "two trillion, one hundred eighty-five billion, seven hundred seventy-eight million, two hundred ninety thousand, eighty".