427110140 has 12 divisors (see below), whose sum is σ = 896931336. Its totient is φ = 170844048.

The previous prime is 427110127. The next prime is 427110143. The reversal of 427110140 is 41011724.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 21355507 = 427110140 / (4 + 2 + 7 + 1 + 1 + 0 + 1 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427110143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10677734 + ... + 10677773.

It is an arithmetic number, because the mean of its divisors is an integer number (74744278).

Almost surely, 2^427110140 is an apocalyptic number.

It is an amenable number.

427110140 is an abundant number, since it is smaller than the sum of its proper divisors (469821196).

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

427110140 is a wasteful number, since it uses less digits than its factorization.

427110140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21355516 (or 21355514 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 427110140 is about 20666.6431720297. The cubic root of 427110140 is about 753.0895605300.

Adding to 427110140 its reverse (41011724), we get a palindrome (468121864).

The spelling of 427110140 in words is "four hundred twenty-seven million, one hundred ten thousand, one hundred forty".