44440040400001 has 8 divisors (see below), whose sum is σ = 45641208173864. Its totient is φ = 43238877131520.

The previous prime is 44440040399987. The next prime is 44440040400029. The reversal of 44440040400001 is 10000404004444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8733201129601 + 35706839270400 = 2955199^2 + 5975520^2 .

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 44440040400001 - 2¹³ = 44440040391809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44440040409001) 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, 31365961 + ... + 32752153.

It is an arithmetic number, because the mean of its divisors is an integer number (5705151021733).

Almost surely, 2^{44440040400001} is an apocalyptic number.

It is an amenable number.

44440040400001 is a deficient number, since it is larger than the sum of its proper divisors (1201167773863).

44440040400001 is a wasteful number, since it uses less digits than its factorization.

44440040400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252691.

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

Adding to 44440040400001 its reverse (10000404004444), we get a palindrome (54440444404445).

The spelling of 44440040400001 in words is "forty-four trillion, four hundred forty billion, forty million, four hundred thousand, one".