2067856290 has 80 divisors (see below), whose sum is σ = 5579853048. Its totient is φ = 549483264.

The previous prime is 2067856289. The next prime is 2067856313. The reversal of 2067856290 is 926587602.

2067856290 is a `hidden beast` number, since 20 + 67 + 8 + 562 + 9 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2038793409 + 29062881 = 45153^2 + 5391^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 232974 + ... + 241686.

Almost surely, 2^2067856290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2067856290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2789926524).

2067856290 is an abundant number, since it is smaller than the sum of its proper divisors (3511996758).

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

2067856290 is a wasteful number, since it uses less digits than its factorization.

2067856290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025 (or 9016 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2067856290 is about 45473.6878865130. The cubic root of 2067856290 is about 1274.0118017615.

The spelling of 2067856290 in words is "two billion, sixty-seven million, eight hundred fifty-six thousand, two hundred ninety".