40444011401 has 4 divisors (see below), whose sum is σ = 42572643600. Its totient is φ = 38315379204.

The previous prime is 40444011397. The next prime is 40444011431. The reversal of 40444011401 is 10411044404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40444011401 - 2² = 40444011397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40444011431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064316071 + ... + 1064316108.

It is an arithmetic number, because the mean of its divisors is an integer number (10643160900).

Almost surely, 2^40444011401 is an apocalyptic number.

It is an amenable number.

40444011401 is a deficient number, since it is larger than the sum of its proper divisors (2128632199).

40444011401 is a wasteful number, since it uses less digits than its factorization.

40444011401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128632198.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 40444011401 its reverse (10411044404), we get a palindrome (50855055805).

The spelling of 40444011401 in words is "forty billion, four hundred forty-four million, eleven thousand, four hundred one".