4001004701042 has 4 divisors (see below), whose sum is σ = 6001507051566. Its totient is φ = 2000502350520.

The previous prime is 4001004701027. The next prime is 4001004701051. The reversal of 4001004701042 is 2401074001004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2685072227161 + 1315932473881 = 1638619^2 + 1147141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4001004700999 and 4001004701017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000251175259 + ... + 1000251175262.

Almost surely, 2^{4001004701042} is an apocalyptic number.

4001004701042 is a deficient number, since it is larger than the sum of its proper divisors (2000502350524).

4001004701042 is a wasteful number, since it uses less digits than its factorization.

4001004701042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000502350523.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 4001004701042 its reverse (2401074001004), we get a palindrome (6402078702046).

The spelling of 4001004701042 in words is "four trillion, one billion, four million, seven hundred one thousand, forty-two".