4464240426666 has 24 divisors (see below), whose sum is σ = 9781200938340. Its totient is φ = 1471360140096.

The previous prime is 4464240426661. The next prime is 4464240426673. The reversal of 4464240426666 is 6666240424644.

It can be written as a sum of positive squares in 2 ways, for example, as 4445160806025 + 19079620641 = 2108355^2 + 138129^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4464240426661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1393331865 + ... + 1393335068.

Almost surely, 2^{4464240426666} is an apocalyptic number.

4464240426666 is an abundant number, since it is smaller than the sum of its proper divisors (5316960511674).

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

4464240426666 is a wasteful number, since it uses less digits than its factorization.

4464240426666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786667030 (or 2786667027 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 54.

The spelling of 4464240426666 in words is "four trillion, four hundred sixty-four billion, two hundred forty million, four hundred twenty-six thousand, six hundred sixty-six".