4031256042 has 48 divisors (see below), whose sum is σ = 9785966112. Its totient is φ = 1188574560.

The previous prime is 4031256017. The next prime is 4031256059. The reversal of 4031256042 is 2406521304.

4031256042 is a `hidden beast` number, since 4 + 0 + 31 + 25 + 604 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4031255997 and 4031256015.

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, 267808 + ... + 282459.

It is an arithmetic number, because the mean of its divisors is an integer number (203874294).

Almost surely, 2^4031256042 is an apocalyptic number.

4031256042 is an abundant number, since it is smaller than the sum of its proper divisors (5754710070).

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

4031256042 is a wasteful number, since it uses less digits than its factorization.

4031256042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550323 (or 550320 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4031256042 is about 63492.1730766872. The cubic root of 4031256042 is about 1591.5249852244.

Adding to 4031256042 its reverse (2406521304), we get a palindrome (6437777346).

The spelling of 4031256042 in words is "four billion, thirty-one million, two hundred fifty-six thousand, forty-two".