2141105400 has 480 divisors, whose sum is σ = 8642304000. Its totient is φ = 481178880.

The previous prime is 2141105389. The next prime is 2141105401. The reversal of 2141105400 is 45011412.

2141105400 is a `hidden beast` number, since 2 + 14 + 110 + 540 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141105401) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 8958481 + ... + 8958719.

It is an arithmetic number, because the mean of its divisors is an integer number (18004800).

Almost surely, 2^2141105400 is an apocalyptic number.

2141105400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141105400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4321152000).

2141105400 is an abundant number, since it is smaller than the sum of its proper divisors (6501198600).

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

2141105400 is a wasteful number, since it uses less digits than its factorization.

2141105400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2141105400 is about 46272.0801347854. The cubic root of 2141105400 is about 1288.8805864947.

Adding to 2141105400 its reverse (45011412), we get a palindrome (2186116812).

The spelling of 2141105400 in words is "two billion, one hundred forty-one million, one hundred five thousand, four hundred".