2105048400 has 480 divisors, whose sum is σ = 8539953408. Its totient is φ = 431308800.

The previous prime is 2105048369. The next prime is 2105048401. The reversal of 2105048400 is 48405012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105048401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4040140 + ... + 4040660.

Almost surely, 2^2105048400 is an apocalyptic number.

2105048400 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 2105048400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4269976704).

2105048400 is an abundant number, since it is smaller than the sum of its proper divisors (6434905008).

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

2105048400 is a wasteful number, since it uses less digits than its factorization.

2105048400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2105048400 is about 45880.8064445254. The cubic root of 2105048400 is about 1281.6045145500.

The spelling of 2105048400 in words is "two billion, one hundred five million, forty-eight thousand, four hundred".