2240632161 has 12 divisors (see below), whose sum is σ = 3237512980. Its totient is φ = 1493272800.

The previous prime is 2240632159. The next prime is 2240632169. The reversal of 2240632161 is 1612360422.

2240632161 is a `hidden beast` number, since 2 + 24 + 0 + 632 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1402877025 + 837755136 = 37455^2 + 28944^2 .

It is not a de Polignac number, because 2240632161 - 2¹ = 2240632159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240632169) 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, 9490 + ... + 67611.

Almost surely, 2^2240632161 is an apocalyptic number.

It is an amenable number.

2240632161 is a deficient number, since it is larger than the sum of its proper divisors (996880819).

2240632161 is a wasteful number, since it uses less digits than its factorization.

2240632161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80336 (or 80333 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2240632161 is about 47335.3162131616. The cubic root of 2240632161 is about 1308.5495982454.

Adding to 2240632161 its reverse (1612360422), we get a palindrome (3852992583).

The spelling of 2240632161 in words is "two billion, two hundred forty million, six hundred thirty-two thousand, one hundred sixty-one".