2105410255400 has 96 divisors (see below), whose sum is σ = 4993307204760. Its totient is φ = 825302000640.

The previous prime is 2105410255391. The next prime is 2105410255439. The reversal of 2105410255400 is 45520145012.

It can be written as a sum of positive squares in 12 ways, for example, as 380143767364 + 1725266488036 = 616558^2 + 1313494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8925374 + ... + 9158226.

Almost surely, 2^{2105410255400} is an apocalyptic number.

2105410255400 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 2105410255400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2496653602380).

2105410255400 is an abundant number, since it is smaller than the sum of its proper divisors (2887896949360).

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

2105410255400 is a wasteful number, since it uses less digits than its factorization.

2105410255400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233775 (or 233766 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 2105410255400 in words is "two trillion, one hundred five billion, four hundred ten million, two hundred fifty-five thousand, four hundred".