425442143430 has 48 divisors (see below), whose sum is σ = 1106791966800. Its totient is φ = 113385351744.

The previous prime is 425442143419. The next prime is 425442143471. The reversal of 425442143430 is 34341244524.

425442143430 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 4 + 214 + 3 + 430 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1216705 + ... + 1526844.

It is an arithmetic number, because the mean of its divisors is an integer number (23058165975).

Almost surely, 2^425442143430 is an apocalyptic number.

425442143430 is an abundant number, since it is smaller than the sum of its proper divisors (681349823370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425442143430 is a wasteful number, since it uses less digits than its factorization.

425442143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745285 (or 2745282 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 425442143430 its reverse (34341244524), we get a palindrome (459783387954).

The spelling of 425442143430 in words is "four hundred twenty-five billion, four hundred forty-two million, one hundred forty-three thousand, four hundred thirty".