40444400400001 has 8 divisors (see below), whose sum is σ = 43558937058560. Its totient is φ = 37330353589392.

The previous prime is 40444400399993. The next prime is 40444400400023. The reversal of 40444400400001 is 10000400444404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40444400400001 - 2³ = 40444400399993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40444400400031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122290491 + ... + 122620768.

It is an arithmetic number, because the mean of its divisors is an integer number (5444867132320).

Almost surely, 2^{40444400400001} is an apocalyptic number.

It is an amenable number.

40444400400001 is a deficient number, since it is larger than the sum of its proper divisors (3114536658559).

40444400400001 is a wasteful number, since it uses less digits than its factorization.

40444400400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244923975.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 40444400400001 its reverse (10000400444404), we get a palindrome (50444800844405).

The spelling of 40444400400001 in words is "forty trillion, four hundred forty-four billion, four hundred million, four hundred thousand, one".