40444242002 has 8 divisors (see below), whose sum is σ = 60667544700. Its totient is φ = 20221727104.

The previous prime is 40444241983. The next prime is 40444242011. The reversal of 40444242002 is 20024244404.

It can be written as a sum of positive squares in 2 ways, for example, as 39544901881 + 899340121 = 198859^2 + 29989^2 .

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

It is a super-2 number, since 2×40444242002² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45227 + ... + 287982.

Almost surely, 2^40444242002 is an apocalyptic number.

40444242002 is a deficient number, since it is larger than the sum of its proper divisors (20223302698).

40444242002 is a wasteful number, since it uses less digits than its factorization.

40444242002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393900.

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

Adding to 40444242002 its reverse (20024244404), we get a palindrome (60468486406).

The spelling of 40444242002 in words is "forty billion, four hundred forty-four million, two hundred forty-two thousand, two".