2049955782 has 16 divisors (see below), whose sum is σ = 4685613312. Its totient is φ = 585701640.

The previous prime is 2049955769. The next prime is 2049955801. The reversal of 2049955782 is 2875599402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24404194 + ... + 24404277.

It is an arithmetic number, because the mean of its divisors is an integer number (292850832).

Almost surely, 2^2049955782 is an apocalyptic number.

2049955782 is an abundant number, since it is smaller than the sum of its proper divisors (2635657530).

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

2049955782 is a wasteful number, since it uses less digits than its factorization.

2049955782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48808483.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 2049955782 is about 45276.4373819319. The cubic root of 2049955782 is about 1270.3249591080.

The spelling of 2049955782 in words is "two billion, forty-nine million, nine hundred fifty-five thousand, seven hundred eighty-two".