4078143420394 has 24 divisors (see below), whose sum is σ = 6336786718080. Its totient is φ = 1968336456912.

The previous prime is 4078143420367. The next prime is 4078143420419. The reversal of 4078143420394 is 4930243418704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7652677 + ... + 8168215.

It is an arithmetic number, because the mean of its divisors is an integer number (264032779920).

Almost surely, 2^{4078143420394} is an apocalyptic number.

4078143420394 is a deficient number, since it is larger than the sum of its proper divisors (2258643297686).

4078143420394 is a wasteful number, since it uses less digits than its factorization.

4078143420394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520302 (or 520273 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 4078143420394 in words is "four trillion, seventy-eight billion, one hundred forty-three million, four hundred twenty thousand, three hundred ninety-four".