425140342144 has 64 divisors (see below), whose sum is σ = 968042334240. Its totient is φ = 182186274816.

The previous prime is 425140342103. The next prime is 425140342181. The reversal of 425140342144 is 441243041524.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19408062 + ... + 19429954.

Almost surely, 2^425140342144 is an apocalyptic number.

It is an amenable number.

425140342144 is an abundant number, since it is smaller than the sum of its proper divisors (542901992096).

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

425140342144 is a wasteful number, since it uses less digits than its factorization.

425140342144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43587 (or 43575 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 425140342144 its reverse (441243041524), we get a palindrome (866383383668).

The spelling of 425140342144 in words is "four hundred twenty-five billion, one hundred forty million, three hundred forty-two thousand, one hundred forty-four".