2240066890 has 16 divisors (see below), whose sum is σ = 4033417032. Its totient is φ = 895738624.

The previous prime is 2240066849. The next prime is 2240066903. The reversal of 2240066890 is 986600422.

It can be written as a sum of positive squares in 4 ways, for example, as 2178742329 + 61324561 = 46677^2 + 7831^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819 + ... + 66958.

Almost surely, 2^2240066890 is an apocalyptic number.

2240066890 is a deficient number, since it is larger than the sum of its proper divisors (1793350142).

2240066890 is a wasteful number, since it uses less digits than its factorization.

2240066890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72041.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2240066890 is about 47329.3449141228. The cubic root of 2240066890 is about 1308.4395478521.

The spelling of 2240066890 in words is "two billion, two hundred forty million, sixty-six thousand, eight hundred ninety".