444342402 has 32 divisors (see below), whose sum is σ = 1128489600. Its totient is φ = 126954864.

The previous prime is 444342389. The next prime is 444342403. The reversal of 444342402 is 204243444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (444342403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587377 + ... + 588132.

It is an arithmetic number, because the mean of its divisors is an integer number (35265300).

Almost surely, 2^444342402 is an apocalyptic number.

444342402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

444342402 is an abundant number, since it is smaller than the sum of its proper divisors (684147198).

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

444342402 is a wasteful number, since it uses less digits than its factorization.

444342402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175527 (or 1175521 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 444342402 is about 21079.4307797910. The cubic root of 444342402 is about 763.0844191787.

Adding to 444342402 its reverse (204243444), we get a palindrome (648585846).

The spelling of 444342402 in words is "four hundred forty-four million, three hundred forty-two thousand, four hundred two".