425041424044240 has 40 divisors (see below), whose sum is σ = 1001758589148168. Its totient is φ = 167687575511040.

The previous prime is 425041424044217. The next prime is 425041424044247. The reversal of 425041424044240 is 42440424140524.

It can be written as a sum of positive squares in 4 ways, for example, as 179008772501056 + 246032651543184 = 13379416^2 + 15685428^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 425041424044193 and 425041424044202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425041424044247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36390527041 + ... + 36390538720.

Almost surely, 2^{425041424044240} is an apocalyptic number.

425041424044240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425041424044240 is an abundant number, since it is smaller than the sum of its proper divisors (576717165103928).

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

425041424044240 is a wasteful number, since it uses less digits than its factorization.

425041424044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72781065847 (or 72781065841 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 40.

Adding to 425041424044240 its reverse (42440424140524), we get a palindrome (467481848184764).

The spelling of 425041424044240 in words is "four hundred twenty-five trillion, forty-one billion, four hundred twenty-four million, forty-four thousand, two hundred forty".