7142042023742 has 16 divisors (see below), whose sum is σ = 11277291454800. Its totient is φ = 3382957638720.

The previous prime is 7142042023651. The next prime is 7142042023751. The reversal of 7142042023742 is 2473202402417.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 7142042023696 and 7142042023705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052767 + ... + 4300922.

It is an arithmetic number, because the mean of its divisors is an integer number (704830715925).

Almost surely, 2^{7142042023742} is an apocalyptic number.

7142042023742 is a deficient number, since it is larger than the sum of its proper divisors (4135249431058).

7142042023742 is a wasteful number, since it uses less digits than its factorization.

7142042023742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383291.

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 7142042023742 in words is "seven trillion, one hundred forty-two billion, forty-two million, twenty-three thousand, seven hundred forty-two".