7444123042 has 16 divisors (see below), whose sum is σ = 11553305400. Its totient is φ = 3593067520.

The previous prime is 7444123039. The next prime is 7444123051. The reversal of 7444123042 is 2403214447.

It can be written as a sum of positive squares in 4 ways, for example, as 6580292161 + 863830881 = 81119^2 + 29391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7444122995 and 7444123013.

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, 531384 + ... + 545212.

Almost surely, 2^7444123042 is an apocalyptic number.

7444123042 is a deficient number, since it is larger than the sum of its proper divisors (4109182358).

7444123042 is a wasteful number, since it uses less digits than its factorization.

7444123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23141.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 7444123042 is about 86279.3314879062. The cubic root of 7444123042 is about 1952.5605671412.

Adding to 7444123042 its reverse (2403214447), we get a palindrome (9847337489).

The spelling of 7444123042 in words is "seven billion, four hundred forty-four million, one hundred twenty-three thousand, forty-two".