425072864442 has 16 divisors (see below), whose sum is σ = 858399572160. Its totient is φ = 140315314272.

The previous prime is 425072864407. The next prime is 425072864459. The reversal of 425072864442 is 244468270524.

It is a junction number, because it is equal to n+sod(n) for n = 425072864391 and 425072864400.

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, 343909467 + ... + 343910702.

It is an arithmetic number, because the mean of its divisors is an integer number (53649973260).

Almost surely, 2^425072864442 is an apocalyptic number.

425072864442 is an abundant number, since it is smaller than the sum of its proper divisors (433326707718).

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

425072864442 is a wasteful number, since it uses less digits than its factorization.

425072864442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687820277.

The product of its (nonzero) digits is 3440640, while the sum is 48.

The spelling of 425072864442 in words is "four hundred twenty-five billion, seventy-two million, eight hundred sixty-four thousand, four hundred forty-two".