427826180 has 12 divisors (see below), whose sum is σ = 898435020. Its totient is φ = 171130464.

The previous prime is 427826177. The next prime is 427826251. The reversal of 427826180 is 81628724.

It can be written as a sum of positive squares in 2 ways, for example, as 231770176 + 196056004 = 15224^2 + 14002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10695635 + ... + 10695674.

It is an arithmetic number, because the mean of its divisors is an integer number (74869585).

Almost surely, 2^427826180 is an apocalyptic number.

It is an amenable number.

427826180 is an abundant number, since it is smaller than the sum of its proper divisors (470608840).

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

427826180 is a wasteful number, since it uses less digits than its factorization.

427826180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21391318 (or 21391316 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 427826180 is about 20683.9594855531. The cubic root of 427826180 is about 753.5101711536.

The spelling of 427826180 in words is "four hundred twenty-seven million, eight hundred twenty-six thousand, one hundred eighty".