2400123634 has 8 divisors (see below), whose sum is σ = 3633832368. Its totient is φ = 1188846180.

The previous prime is 2400123619. The next prime is 2400123697. The reversal of 2400123634 is 4363210042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2400123599 and 2400123608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5607552 + ... + 5607979.

It is an arithmetic number, because the mean of its divisors is an integer number (454229046).

Almost surely, 2^2400123634 is an apocalyptic number.

2400123634 is a deficient number, since it is larger than the sum of its proper divisors (1233708734).

2400123634 is a wasteful number, since it uses less digits than its factorization.

2400123634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215640.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2400123634 is about 48991.0566736420. The cubic root of 2400123634 is about 1338.8888899566. Note that the first 5 decimals are identical.

Adding to 2400123634 its reverse (4363210042), we get a palindrome (6763333676).

The spelling of 2400123634 in words is "two billion, four hundred million, one hundred twenty-three thousand, six hundred thirty-four".