425221323322044 has 12 divisors (see below), whose sum is σ = 992183087751464. Its totient is φ = 141740441107344.

The previous prime is 425221323322021. The next prime is 425221323322073. The reversal of 425221323322044 is 440223323122524.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 425221323321993 and 425221323322011.

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, 17717555138407 + ... + 17717555138430.

Almost surely, 2^{425221323322044} is an apocalyptic number.

It is an amenable number.

425221323322044 is an abundant number, since it is smaller than the sum of its proper divisors (566961764429420).

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

425221323322044 is a wasteful number, since it uses less digits than its factorization.

425221323322044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35435110276844 (or 35435110276842 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 425221323322044 its reverse (440223323122524), we get a palindrome (865444646444568).

The spelling of 425221323322044 in words is "four hundred twenty-five trillion, two hundred twenty-one billion, three hundred twenty-three million, three hundred twenty-two thousand, forty-four".