2105452453400 has 24 divisors (see below), whose sum is σ = 4895176954620. Its totient is φ = 842180981280.

The previous prime is 2105452453367. The next prime is 2105452453409. The reversal of 2105452453400 is 43542545012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105452453409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5263630934 + ... + 5263631333.

Almost surely, 2^{2105452453400} is an apocalyptic number.

2105452453400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105452453400 is an abundant number, since it is smaller than the sum of its proper divisors (2789724501220).

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

2105452453400 is a wasteful number, since it uses less digits than its factorization.

2105452453400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527262283 (or 10527262274 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 2105452453400 its reverse (43542545012), we get a palindrome (2148994998412).

The spelling of 2105452453400 in words is "two trillion, one hundred five billion, four hundred fifty-two million, four hundred fifty-three thousand, four hundred".