40444004402 has 8 divisors (see below), whose sum is σ = 63303659136. Its totient is φ = 19342784692.

The previous prime is 40444004401. The next prime is 40444004413. The reversal of 40444004402 is 20440044404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40444004401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439608698 + ... + 439608789.

It is an arithmetic number, because the mean of its divisors is an integer number (7912957392).

Almost surely, 2^40444004402 is an apocalyptic number.

40444004402 is a deficient number, since it is larger than the sum of its proper divisors (22859654734).

40444004402 is a wasteful number, since it uses less digits than its factorization.

40444004402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879217512.

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

Adding to 40444004402 its reverse (20440044404), we get a palindrome (60884048806).

The spelling of 40444004402 in words is "forty billion, four hundred forty-four million, four thousand, four hundred two".