918425426688 has 576 divisors, whose sum is σ = 3564369715200. Its totient is φ = 225994199040.

The previous prime is 918425426641. The next prime is 918425426719. The reversal of 918425426688 is 886624524819.

918425426688 is a `hidden beast` number, since 9 + 1 + 8 + 4 + 2 + 542 + 6 + 6 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10066845 + ... + 10157667.

Almost surely, 2^918425426688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918425426688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782184857600).

918425426688 is an abundant number, since it is smaller than the sum of its proper divisors (2645944288512).

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

918425426688 is a wasteful number, since it uses less digits than its factorization.

918425426688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90885 (or 90865 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 63.

The spelling of 918425426688 in words is "nine hundred eighteen billion, four hundred twenty-five million, four hundred twenty-six thousand, six hundred eighty-eight".