394142241494 has 8 divisors (see below), whose sum is σ = 596445339240. Its totient is φ = 195327128416.

The previous prime is 394142241433. The next prime is 394142241527. The reversal of 394142241494 is 494142241493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871995884 + ... + 871996335.

It is an arithmetic number, because the mean of its divisors is an integer number (74555667405).

Almost surely, 2^394142241494 is an apocalyptic number.

394142241494 is a deficient number, since it is larger than the sum of its proper divisors (202303097746).

394142241494 is a wasteful number, since it uses less digits than its factorization.

394142241494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743992334.

The product of its digits is 995328, while the sum is 47.

Subtracting 394142241494 from its reverse (494142241493), we obtain a palindrome (99999999999).

The spelling of 394142241494 in words is "three hundred ninety-four billion, one hundred forty-two million, two hundred forty-one thousand, four hundred ninety-four".