225444310040 has 16 divisors (see below), whose sum is σ = 507249697680. Its totient is φ = 90177724000.

The previous prime is 225444310037. The next prime is 225444310043. The reversal of 225444310040 is 40013444522.

It is an interprime number because it is at equal distance from previous prime (225444310037) and next prime (225444310043).

It is a junction number, because it is equal to n+sod(n) for n = 225444309985 and 225444310012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225444310043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2818053836 + ... + 2818053915.

It is an arithmetic number, because the mean of its divisors is an integer number (31703106105).

Almost surely, 2^225444310040 is an apocalyptic number.

225444310040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225444310040 is an abundant number, since it is smaller than the sum of its proper divisors (281805387640).

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

225444310040 is a wasteful number, since it uses less digits than its factorization.

225444310040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636107762 (or 5636107758 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 225444310040 its reverse (40013444522), we get a palindrome (265457754562).

The spelling of 225444310040 in words is "two hundred twenty-five billion, four hundred forty-four million, three hundred ten thousand, forty".