426685470552 has 512 divisors, whose sum is σ = 1374796800000. Its totient is φ = 121413358080.

The previous prime is 426685470529. The next prime is 426685470569. The reversal of 426685470552 is 255074586624.

426685470552 is a `hidden beast` number, since 4 + 2 + 6 + 6 + 85 + 4 + 7 + 0 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 418729099 + ... + 418730117.

It is an arithmetic number, because the mean of its divisors is an integer number (2685150000).

Almost surely, 2^426685470552 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 426685470552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687398400000).

426685470552 is an abundant number, since it is smaller than the sum of its proper divisors (948111329448).

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

426685470552 is a wasteful number, since it uses less digits than its factorization.

426685470552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 426685470552 in words is "four hundred twenty-six billion, six hundred eighty-five million, four hundred seventy thousand, five hundred fifty-two".