44400401401 has 4 divisors (see below), whose sum is σ = 44400975012. Its totient is φ = 44399827792.

The previous prime is 44400401369. The next prime is 44400401407. The reversal of 44400401401 is 10410400444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29295745600 + 15104655801 = 171160^2 + 122901^2 .

It is a cyclic number.

It is not a de Polignac number, because 44400401401 - 2⁵ = 44400401369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44400401407) 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, 148450 + ... + 332923.

It is an arithmetic number, because the mean of its divisors is an integer number (11100243753).

Almost surely, 2^44400401401 is an apocalyptic number.

It is an amenable number.

44400401401 is a deficient number, since it is larger than the sum of its proper divisors (573611).

44400401401 is an equidigital number, since it uses as much as digits as its factorization.

44400401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573610.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 44400401401 its reverse (10410400444), we get a palindrome (54810801845).

The spelling of 44400401401 in words is "forty-four billion, four hundred million, four hundred one thousand, four hundred one".