425355320 has 128 divisors (see below), whose sum is σ = 1074487680. Its totient is φ = 150528000.

The previous prime is 425355319. The next prime is 425355323. The reversal of 425355320 is 23553524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425355323) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1513580 + ... + 1513860.

It is an arithmetic number, because the mean of its divisors is an integer number (8394435).

Almost surely, 2^425355320 is an apocalyptic number.

425355320 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 425355320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537243840).

425355320 is an abundant number, since it is smaller than the sum of its proper divisors (649132360).

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

425355320 is a wasteful number, since it uses less digits than its factorization.

425355320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 425355320 is about 20624.1441034531. The cubic root of 425355320 is about 752.0567663123.

The spelling of 425355320 in words is "four hundred twenty-five million, three hundred fifty-five thousand, three hundred twenty".