4002142142394 has 48 divisors (see below), whose sum is σ = 9957482851680. Its totient is φ = 1148940326880.

The previous prime is 4002142142381. The next prime is 4002142142431. The reversal of 4002142142394 is 4932412412004.

4002142142394 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 142 + 1 + 423 + 94 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531913057 + ... + 531920580.

It is an arithmetic number, because the mean of its divisors is an integer number (207447559410).

Almost surely, 2^{4002142142394} is an apocalyptic number.

4002142142394 is an abundant number, since it is smaller than the sum of its proper divisors (5955340709286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4002142142394 is a wasteful number, since it uses less digits than its factorization.

4002142142394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063833675 (or 1063833672 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 4002142142394 its reverse (4932412412004), we get a palindrome (8934554554398).

The spelling of 4002142142394 in words is "four trillion, two billion, one hundred forty-two million, one hundred forty-two thousand, three hundred ninety-four".