2049815500 has 48 divisors (see below), whose sum is σ = 4586033088. Its totient is φ = 799920000.

The previous prime is 2049815483. The next prime is 2049815501. The reversal of 2049815500 is 55189402.

It is not an unprimeable number, because it can be changed into a prime (2049815501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29496 + ... + 70495.

It is an arithmetic number, because the mean of its divisors is an integer number (95542356).

Almost surely, 2^2049815500 is an apocalyptic number.

2049815500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2049815500 is an abundant number, since it is smaller than the sum of its proper divisors (2536217588).

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

2049815500 is a wasteful number, since it uses less digits than its factorization.

2049815500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100051 (or 100039 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 2049815500 is about 45274.8881831861. Note that the first 3 decimals coincide. The cubic root of 2049815500 is about 1270.2959816063.

The spelling of 2049815500 in words is "two billion, forty-nine million, eight hundred fifteen thousand, five hundred".