40444404020402 has 8 divisors (see below), whose sum is σ = 60667008113712. Its totient is φ = 20222067982500.

The previous prime is 40444404020381. The next prime is 40444404020431. The reversal of 40444404020402 is 20402040444404.

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

It is a super-2 number, since 2×40444404020402² (a number of 28 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, 66636224 + ... + 67240427.

It is an arithmetic number, because the mean of its divisors is an integer number (7583376014214).

Almost surely, 2^{40444404020402} is an apocalyptic number.

40444404020402 is a deficient number, since it is larger than the sum of its proper divisors (20222604093310).

40444404020402 is a wasteful number, since it uses less digits than its factorization.

40444404020402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134027704.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40444404020402 its reverse (20402040444404), we get a palindrome (60846444464806).

The spelling of 40444404020402 in words is "forty trillion, four hundred forty-four billion, four hundred four million, twenty thousand, four hundred two".