425442120405 has 32 divisors (see below), whose sum is σ = 704627164800. Its totient is φ = 218939142912.

The previous prime is 425442120361. The next prime is 425442120409. The reversal of 425442120405 is 504021244524.

It is not a de Polignac number, because 425442120405 - 2¹⁰ = 425442119381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425442120409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377167 + ... + 996563.

It is an arithmetic number, because the mean of its divisors is an integer number (22019598900).

Almost surely, 2^425442120405 is an apocalyptic number.

It is an amenable number.

425442120405 is a deficient number, since it is larger than the sum of its proper divisors (279185044395).

425442120405 is a wasteful number, since it uses less digits than its factorization.

425442120405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621013.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 425442120405 its reverse (504021244524), we get a palindrome (929463364929).

The spelling of 425442120405 in words is "four hundred twenty-five billion, four hundred forty-two million, one hundred twenty thousand, four hundred five".