4466440442406 has 32 divisors (see below), whose sum is σ = 9150947013600. Its totient is φ = 1452470641920.

The previous prime is 4466440442363. The next prime is 4466440442407. The reversal of 4466440442406 is 6042440446644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4466440442407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13680840 + ... + 14003508.

It is an arithmetic number, because the mean of its divisors is an integer number (285967094175).

Almost surely, 2^{4466440442406} is an apocalyptic number.

4466440442406 is an abundant number, since it is smaller than the sum of its proper divisors (4684506571194).

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

4466440442406 is a wasteful number, since it uses less digits than its factorization.

4466440442406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378984.

The product of its (nonzero) digits is 7077888, while the sum is 48.

The spelling of 4466440442406 in words is "four trillion, four hundred sixty-six billion, four hundred forty million, four hundred forty-two thousand, four hundred six".