425454233224144 has 20 divisors (see below), whose sum is σ = 846596430301924. Its totient is φ = 206977735081728.

The previous prime is 425454233224091. The next prime is 425454233224211. The reversal of 425454233224144 is 441422332454524.

It can be written as a sum of positive squares in 2 ways, for example, as 332201219526544 + 93253013697600 = 18226388^2 + 9656760^2 .

It is a super-2 number, since 2×425454233224144² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359336345037 + ... + 359336346220.

Almost surely, 2^{425454233224144} is an apocalyptic number.

It is an amenable number.

425454233224144 is a deficient number, since it is larger than the sum of its proper divisors (421142197077780).

425454233224144 is a wasteful number, since it uses less digits than its factorization.

425454233224144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718672691302 (or 718672691296 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 49.

Adding to 425454233224144 its reverse (441422332454524), we get a palindrome (866876565678668).

The spelling of 425454233224144 in words is "four hundred twenty-five trillion, four hundred fifty-four billion, two hundred thirty-three million, two hundred twenty-four thousand, one hundred forty-four".