425420160 has 128 divisors (see below), whose sum is σ = 1479375360. Its totient is φ = 103127040.

The previous prime is 425420159. The next prime is 425420183. The reversal of 425420160 is 61024524.

425420160 is nontrivially palindromic in base 14.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 425420160.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11049 + ... + 31191.

It is an arithmetic number, because the mean of its divisors is an integer number (11557620).

Almost surely, 2^425420160 is an apocalyptic number.

425420160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425420160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739687680).

425420160 is an abundant number, since it is smaller than the sum of its proper divisors (1053955200).

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

425420160 is a wasteful number, since it uses less digits than its factorization.

425420160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20176 (or 20164 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 425420160 is about 20625.7159875724. The cubic root of 425420160 is about 752.0949781953.

Adding to 425420160 its reverse (61024524), we get a palindrome (486444684).

The spelling of 425420160 in words is "four hundred twenty-five million, four hundred twenty thousand, one hundred sixty".