425060688 has 120 divisors (see below), whose sum is σ = 1209937440. Its totient is φ = 128494080.

The previous prime is 425060681. The next prime is 425060767. The reversal of 425060688 is 886060524.

It is a Cunningham number, because it is equal to 20617²-1.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425060681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494403 + ... + 495261.

It is an arithmetic number, because the mean of its divisors is an integer number (10082812).

Almost surely, 2^425060688 is an apocalyptic number.

425060688 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 425060688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604968720).

425060688 is an abundant number, since it is smaller than the sum of its proper divisors (784876752).

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

425060688 is a wasteful number, since it uses less digits than its factorization.

425060688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 425060688 is about 20616.9999757482. Note that the first 4 decimals coincide. The cubic root of 425060688 is about 751.8830831513.

The spelling of 425060688 in words is "four hundred twenty-five million, sixty thousand, six hundred eighty-eight".