444444444402 has 32 divisors (see below), whose sum is σ = 1035040436352. Its totient is φ = 124588199424.

The previous prime is 444444444401. The next prime is 444444444443. The reversal of 444444444402 is 204444444444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (444444444401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99828063 + ... + 99832514.

It is an arithmetic number, because the mean of its divisors is an integer number (32345013636).

Almost surely, 2^444444444402 is an apocalyptic number.

444444444402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

444444444402 is an abundant number, since it is smaller than the sum of its proper divisors (590595991950).

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

444444444402 is a wasteful number, since it uses less digits than its factorization.

444444444402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199660642.

The product of its (nonzero) digits is 2097152, while the sum is 42.

Adding to 444444444402 its sum of digits (42), we get a palindrome (444444444444).

Adding to 444444444402 its reverse (204444444444), we get a palindrome (648888888846).

The spelling of 444444444402 in words is "four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred two".