425133443420 has 48 divisors (see below), whose sum is σ = 1020359863488. Its totient is φ = 145754380800.

The previous prime is 425133443369. The next prime is 425133443437. The reversal of 425133443420 is 24344331524.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5287520 + ... + 5367320.

It is an arithmetic number, because the mean of its divisors is an integer number (21257497156).

Almost surely, 2^425133443420 is an apocalyptic number.

It is an amenable number.

425133443420 is an abundant number, since it is smaller than the sum of its proper divisors (595226420068).

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

425133443420 is a wasteful number, since it uses less digits than its factorization.

425133443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117870 (or 117868 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 425133443420 its reverse (24344331524), we get a palindrome (449477774944).

The spelling of 425133443420 in words is "four hundred twenty-five billion, one hundred thirty-three million, four hundred forty-three thousand, four hundred twenty".