227640960 has 96 divisors (see below), whose sum is σ = 786092580. Its totient is φ = 60702720.

The previous prime is 227640943. The next prime is 227640961. The reversal of 227640960 is 69046722.

It is a happy number.

227640960 is a `hidden beast` number, since 2 + 2 + 7 + 640 + 9 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 187799616 + 39841344 = 13704^2 + 6312^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (227640961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14001 + ... + 25520.

Almost surely, 2^227640960 is an apocalyptic number.

227640960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227640960 is an abundant number, since it is smaller than the sum of its proper divisors (558451620).

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

227640960 is a wasteful number, since it uses less digits than its factorization.

227640960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39546 (or 39531 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 227640960 is about 15087.7751839030. The cubic root of 227640960 is about 610.5906310200.

The spelling of 227640960 in words is "two hundred twenty-seven million, six hundred forty thousand, nine hundred sixty".