2154100043424 has 144 divisors (see below), whose sum is σ = 6923893284000. Its totient is φ = 583064649216.

The previous prime is 2154100043423. The next prime is 2154100043453. The reversal of 2154100043424 is 4243400014512.

It is a junction number, because it is equal to n+sod(n) for n = 2154100043391 and 2154100043400.

It is not an unprimeable number, because it can be changed into a prime (2154100043423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11961399 + ... + 12140150.

It is an arithmetic number, because the mean of its divisors is an integer number (48082592250).

Almost surely, 2^{2154100043424} is an apocalyptic number.

2154100043424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2154100043424 is an abundant number, since it is smaller than the sum of its proper divisors (4769793240576).

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

2154100043424 is a wasteful number, since it uses less digits than its factorization.

2154100043424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24101595 (or 24101580 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2154100043424 its reverse (4243400014512), we get a palindrome (6397500057936).

The spelling of 2154100043424 in words is "two trillion, one hundred fifty-four billion, one hundred million, forty-three thousand, four hundred twenty-four".