42044241425 has 6 divisors (see below), whose sum is σ = 52134859398. Its totient is φ = 33635393120.

The previous prime is 42044241419. The next prime is 42044241461. The reversal of 42044241425 is 52414244024.

It can be written as a sum of positive squares in 3 ways, for example, as 3815779984 + 38228461441 = 61772^2 + 195521^2 .

It is not a de Polignac number, because 42044241425 - 2⁶ = 42044241361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42044241391 and 42044241400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840884804 + ... + 840884853.

It is an arithmetic number, because the mean of its divisors is an integer number (8689143233).

Almost surely, 2^42044241425 is an apocalyptic number.

It is an amenable number.

42044241425 is a deficient number, since it is larger than the sum of its proper divisors (10090617973).

42044241425 is a wasteful number, since it uses less digits than its factorization.

42044241425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681769667 (or 1681769662 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 42044241425 its reverse (52414244024), we get a palindrome (94458485449).

The spelling of 42044241425 in words is "forty-two billion, forty-four million, two hundred forty-one thousand, four hundred twenty-five".