2045100000 has 288 divisors, whose sum is σ = 7122481632. Its totient is φ = 512000000.

The previous prime is 2045099999. The next prime is 2045100011. The reversal of 2045100000 is 15402.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5099800 + ... + 5100200.

It is an arithmetic number, because the mean of its divisors is an integer number (24730839).

Almost surely, 2^2045100000 is an apocalyptic number.

2045100000 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 2045100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3561240816).

2045100000 is an abundant number, since it is smaller than the sum of its proper divisors (5077381632).

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

2045100000 is an equidigital number, since it uses as much as digits as its factorization.

2045100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2045100000 is about 45222.7818693189. The cubic root of 2045100000 is about 1269.3211491761.

Adding to 2045100000 its reverse (15402), we get a palindrome (2045115402).

The spelling of 2045100000 in words is "two billion, forty-five million, one hundred thousand".