427106025252 has 36 divisors (see below), whose sum is σ = 1119615385616. Its totient is φ = 142368674760.

The previous prime is 427106025239. The next prime is 427106025271. The reversal of 427106025252 is 252520601724.

427106025252 is a `hidden beast` number, since 4 + 2 + 71 + 0 + 60 + 2 + 525 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219703774 + ... + 219705717.

Almost surely, 2^427106025252 is an apocalyptic number.

It is an amenable number.

427106025252 is an abundant number, since it is smaller than the sum of its proper divisors (692509360364).

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

427106025252 is a wasteful number, since it uses less digits than its factorization.

427106025252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439409510 (or 439409496 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

Adding to 427106025252 its reverse (252520601724), we get a palindrome (679626626976).

The spelling of 427106025252 in words is "four hundred twenty-seven billion, one hundred six million, twenty-five thousand, two hundred fifty-two".