444312404040331 has 4 divisors (see below), whose sum is σ = 444312462433752. Its totient is φ = 444312345646912.

The previous prime is 444312404040299. The next prime is 444312404040347. The reversal of 444312404040331 is 133040404213444.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 444312404040331 - 2⁵ = 444312404040299 is a prime.

It is a super-2 number, since 2×444312404040331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444312404640331) 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, 15705190 + ... + 33693883.

It is an arithmetic number, because the mean of its divisors is an integer number (111078115608438).

Almost surely, 2^{444312404040331} is an apocalyptic number.

444312404040331 is a deficient number, since it is larger than the sum of its proper divisors (58393421).

444312404040331 is an equidigital number, since it uses as much as digits as its factorization.

444312404040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58393420.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 444312404040331 its reverse (133040404213444), we get a palindrome (577352808253775).

The spelling of 444312404040331 in words is "four hundred forty-four trillion, three hundred twelve billion, four hundred four million, forty thousand, three hundred thirty-one".