444206664665342 has 16 divisors (see below), whose sum is σ = 668440636554240. Its totient is φ = 221393123083392.

The previous prime is 444206664665321. The next prime is 444206664665347. The reversal of 444206664665342 is 243566466602444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444206664665347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296935043 + ... + 298427265.

It is an arithmetic number, because the mean of its divisors is an integer number (41777539784640).

Almost surely, 2^{444206664665342} is an apocalyptic number.

444206664665342 is a deficient number, since it is larger than the sum of its proper divisors (224233971888898).

444206664665342 is a wasteful number, since it uses less digits than its factorization.

444206664665342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968067.

The product of its (nonzero) digits is 477757440, while the sum is 62.

The spelling of 444206664665342 in words is "four hundred forty-four trillion, two hundred six billion, six hundred sixty-four million, six hundred sixty-five thousand, three hundred forty-two".