44404020010391 has 2 divisors, whose sum is σ = 44404020010392. Its totient is φ = 44404020010390.

The previous prime is 44404020010253. The next prime is 44404020010489. The reversal of 44404020010391 is 19301002040444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44404020010391 - 2²² = 44404015816087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44404020010591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22202010005195 + 22202010005196.

It is an arithmetic number, because the mean of its divisors is an integer number (22202010005196).

Almost surely, 2^{44404020010391} is an apocalyptic number.

44404020010391 is a deficient number, since it is larger than the sum of its proper divisors (1).

44404020010391 is an equidigital number, since it uses as much as digits as its factorization.

44404020010391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 44404020010391 in words is "forty-four trillion, four hundred four billion, twenty million, ten thousand, three hundred ninety-one".