394126061441 has 24 divisors (see below), whose sum is σ = 459634538880. Its totient is φ = 336967727712.

The previous prime is 394126061431. The next prime is 394126061477. The reversal of 394126061441 is 144160621493.

It is a de Polignac number, because none of the positive numbers 2^k-394126061441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394126061431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33357851 + ... + 33369663.

It is an arithmetic number, because the mean of its divisors is an integer number (19151439120).

Almost surely, 2^394126061441 is an apocalyptic number.

It is an amenable number.

394126061441 is a deficient number, since it is larger than the sum of its proper divisors (65508477439).

394126061441 is a wasteful number, since it uses less digits than its factorization.

394126061441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493 (or 13486 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 394126061441 in words is "three hundred ninety-four billion, one hundred twenty-six million, sixty-one thousand, four hundred forty-one".