425188608 has 144 divisors (see below), whose sum is σ = 1252694016. Its totient is φ = 127180800.

The previous prime is 425188583. The next prime is 425188609. The reversal of 425188608 is 806881524.

It is a self number, because there is not a number n which added to its sum of digits gives 425188608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425188609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368833 + ... + 369983.

It is an arithmetic number, because the mean of its divisors is an integer number (8699264).

Almost surely, 2^425188608 is an apocalyptic number.

425188608 is a gapful number since it is divisible by the number (48) 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 425188608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626347008).

425188608 is an abundant number, since it is smaller than the sum of its proper divisors (827505408).

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

425188608 is a wasteful number, since it uses less digits than its factorization.

425188608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 425188608 is about 20620.1020366050. The cubic root of 425188608 is about 751.9585008033.

The spelling of 425188608 in words is "four hundred twenty-five million, one hundred eighty-eight thousand, six hundred eight".