2049115800 has 192 divisors, whose sum is σ = 6731712000. Its totient is φ = 514183680.

The previous prime is 2049115771. The next prime is 2049115813. The reversal of 2049115800 is 85119402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1971681 + ... + 1972719.

It is an arithmetic number, because the mean of its divisors is an integer number (35061000).

Almost surely, 2^2049115800 is an apocalyptic number.

2049115800 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 2049115800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3365856000).

2049115800 is an abundant number, since it is smaller than the sum of its proper divisors (4682596200).

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

2049115800 is a wasteful number, since it uses less digits than its factorization.

2049115800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 2049115800 is about 45267.1602820411. The cubic root of 2049115800 is about 1270.1514275801.

The spelling of 2049115800 in words is "two billion, forty-nine million, one hundred fifteen thousand, eight hundred".