2154105424 has 40 divisors (see below), whose sum is σ = 4210569792. Its totient is φ = 1067550720.

The previous prime is 2154105419. The next prime is 2154105451. The reversal of 2154105424 is 4245014512.

It is a junction number, because it is equal to n+sod(n) for n = 2154105392 and 2154105401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959247 + ... + 961489.

Almost surely, 2^2154105424 is an apocalyptic number.

It is an amenable number.

2154105424 is a deficient number, since it is larger than the sum of its proper divisors (2056464368).

2154105424 is a wasteful number, since it uses less digits than its factorization.

2154105424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2154105424 is about 46412.3412897906. The cubic root of 2154105424 is about 1291.4838650626.

Adding to 2154105424 its reverse (4245014512), we get a palindrome (6399119936).

The spelling of 2154105424 in words is "two billion, one hundred fifty-four million, one hundred five thousand, four hundred twenty-four".