2400634161 has 12 divisors (see below), whose sum is σ = 3470273092. Its totient is φ = 1599181056.

The previous prime is 2400634157. The next prime is 2400634163. The reversal of 2400634161 is 1614360042.

2400634161 is a `hidden beast` number, since 24 + 0 + 0 + 634 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1772831025 + 627803136 = 42105^2 + 25056^2 .

It is not a de Polignac number, because 2400634161 - 2² = 2400634157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2400634163) 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, 91156 + ... + 114501.

Almost surely, 2^2400634161 is an apocalyptic number.

It is an amenable number.

2400634161 is a deficient number, since it is larger than the sum of its proper divisors (1069638931).

2400634161 is a wasteful number, since it uses less digits than its factorization.

2400634161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206960 (or 206957 counting only the distinct ones).

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

The square root of 2400634161 is about 48996.2668067680. The cubic root of 2400634161 is about 1338.9838142985.

The spelling of 2400634161 in words is "two billion, four hundred million, six hundred thirty-four thousand, one hundred sixty-one".