425140520431304 has 8 divisors (see below), whose sum is σ = 797138475808710. Its totient is φ = 212570260215648.

The previous prime is 425140520431301. The next prime is 425140520431433. The reversal of 425140520431304 is 403134025041524.

It can be written as a sum of positive squares in only one way, i.e., 301637350644100 + 123503169787204 = 17367710^2 + 11113198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×425140520431304² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425140520431301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571282526949 + ... + 26571282526964.

Almost surely, 2^{425140520431304} is an apocalyptic number.

It is an amenable number.

425140520431304 is a deficient number, since it is larger than the sum of its proper divisors (371997955377406).

425140520431304 is a wasteful number, since it uses less digits than its factorization.

425140520431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53142565053919 (or 53142565053915 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 425140520431304 its reverse (403134025041524), we get a palindrome (828274545472828).

The spelling of 425140520431304 in words is "four hundred twenty-five trillion, one hundred forty billion, five hundred twenty million, four hundred thirty-one thousand, three hundred four".