444231451402 has 16 divisors (see below), whose sum is σ = 673040253312. Its totient is φ = 219885325200.

The previous prime is 444231451381. The next prime is 444231451403. The reversal of 444231451402 is 204154132444.

It is not an unprimeable number, because it can be changed into a prime (444231451403) 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, 1303243 + ... + 1608385.

It is an arithmetic number, because the mean of its divisors is an integer number (42065015832).

Almost surely, 2^444231451402 is an apocalyptic number.

444231451402 is a deficient number, since it is larger than the sum of its proper divisors (228808801910).

444231451402 is a wasteful number, since it uses less digits than its factorization.

444231451402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312453.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 444231451402 its reverse (204154132444), we get a palindrome (648385583846).

The spelling of 444231451402 in words is "four hundred forty-four billion, two hundred thirty-one million, four hundred fifty-one thousand, four hundred two".