2100445300 has 36 divisors (see below), whose sum is σ = 4705004416. Its totient is φ = 813074400.

The previous prime is 2100445247. The next prime is 2100445309. The reversal of 2100445300 is 35440012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100445309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335682 + ... + 341881.

Almost surely, 2^2100445300 is an apocalyptic number.

2100445300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100445300 is an abundant number, since it is smaller than the sum of its proper divisors (2604559116).

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

2100445300 is a wasteful number, since it uses less digits than its factorization.

2100445300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677608 (or 677601 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2100445300 is about 45830.6153133470. The cubic root of 2100445300 is about 1280.6696731781.

Adding to 2100445300 its reverse (35440012), we get a palindrome (2135885312).

The spelling of 2100445300 in words is "two billion, one hundred million, four hundred forty-five thousand, three hundred".