2255380782 has 32 divisors (see below), whose sum is σ = 4709325312. Its totient is φ = 718733664.

The previous prime is 2255380781. The next prime is 2255380801. The reversal of 2255380782 is 2870835522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255380781) 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, 405303 + ... + 410829.

It is an arithmetic number, because the mean of its divisors is an integer number (147166416).

Almost surely, 2^2255380782 is an apocalyptic number.

2255380782 is an abundant number, since it is smaller than the sum of its proper divisors (2453944530).

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

2255380782 is a wasteful number, since it uses less digits than its factorization.

2255380782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 2255380782 is about 47490.8494554477. The cubic root of 2255380782 is about 1311.4144313171.

The spelling of 2255380782 in words is "two billion, two hundred fifty-five million, three hundred eighty thousand, seven hundred eighty-two".