427800560 has 160 divisors (see below), whose sum is σ = 1133927424. Its totient is φ = 148736000.

The previous prime is 427800557. The next prime is 427800587. The reversal of 427800560 is 65008724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2561597 + ... + 2561763.

Almost surely, 2^427800560 is an apocalyptic number.

427800560 is a gapful number since it is divisible by the number (40) 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 427800560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566963712).

427800560 is an abundant number, since it is smaller than the sum of its proper divisors (706126864).

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

427800560 is a wasteful number, since it uses less digits than its factorization.

427800560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 427800560 is about 20683.3401557872. The cubic root of 427800560 is about 753.4951297522.

The spelling of 427800560 in words is "four hundred twenty-seven million, eight hundred thousand, five hundred sixty".