427006240 has 48 divisors (see below), whose sum is σ = 1013947200. Its totient is φ = 169931520.

The previous prime is 427006231. The next prime is 427006259. The reversal of 427006240 is 42600724.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25135 + ... + 38545.

It is an arithmetic number, because the mean of its divisors is an integer number (21123900).

Almost surely, 2^427006240 is an apocalyptic number.

427006240 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 427006240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506973600).

427006240 is an abundant number, since it is smaller than the sum of its proper divisors (586940960).

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

427006240 is a wasteful number, since it uses less digits than its factorization.

427006240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13625 (or 13617 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 427006240 is about 20664.1293066028. The cubic root of 427006240 is about 753.0284893576.

Adding to 427006240 its reverse (42600724), we get a palindrome (469606964).

The spelling of 427006240 in words is "four hundred twenty-seven million, six thousand, two hundred forty".