425204244 has 72 divisors (see below), whose sum is σ = 1098246240. Its totient is φ = 138676032.

The previous prime is 425204239. The next prime is 425204261. The reversal of 425204244 is 442402524.

It is a super-2 number, since 2×425204244² = 361597298231223072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416767 + ... + 417785.

It is an arithmetic number, because the mean of its divisors is an integer number (15253420).

Almost surely, 2^425204244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425204244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549123120).

425204244 is an abundant number, since it is smaller than the sum of its proper divisors (673041996).

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

425204244 is a wasteful number, since it uses less digits than its factorization.

425204244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 425204244 is about 20620.4811777029. The cubic root of 425204244 is about 751.9677182649.

Adding to 425204244 its reverse (442402524), we get a palindrome (867606768).

It can be divided in two parts, 42520 and 4244, that added together give a palindrome (46764).

The spelling of 425204244 in words is "four hundred twenty-five million, two hundred four thousand, two hundred forty-four".