444020020442 has 16 divisors (see below), whose sum is σ = 666725087520. Its totient is φ = 221778383568.

The previous prime is 444020020403. The next prime is 444020020447. The reversal of 444020020442 is 244020020444.

It is not an unprimeable number, because it can be changed into a prime (444020020447) 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, 29152433 + ... + 29167659.

It is an arithmetic number, because the mean of its divisors is an integer number (41670317970).

Almost surely, 2^444020020442 is an apocalyptic number.

444020020442 is a deficient number, since it is larger than the sum of its proper divisors (222705067078).

444020020442 is a wasteful number, since it uses less digits than its factorization.

444020020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29485.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 444020020442 its reverse (244020020444), we get a palindrome (688040040886).

The spelling of 444020020442 in words is "four hundred forty-four billion, twenty million, twenty thousand, four hundred forty-two".