2549800194 has 32 divisors (see below), whose sum is σ = 5356606464. Its totient is φ = 807589200.

The previous prime is 2549800193. The next prime is 2549800219. The reversal of 2549800194 is 4910089452.

It is not an unprimeable number, because it can be changed into a prime (2549800193) 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, 40344 + ... + 82019.

It is an arithmetic number, because the mean of its divisors is an integer number (167393952).

Almost surely, 2^2549800194 is an apocalyptic number.

2549800194 is an abundant number, since it is smaller than the sum of its proper divisors (2806806270).

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

2549800194 is a wasteful number, since it uses less digits than its factorization.

2549800194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122542.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 2549800194 is about 50495.5462788551. The cubic root of 2549800194 is about 1366.1615241872.

The spelling of 2549800194 in words is "two billion, five hundred forty-nine million, eight hundred thousand, one hundred ninety-four".