2755380990 has 32 divisors (see below), whose sum is σ = 6661193760. Its totient is φ = 729403904.

The previous prime is 2755380983. The next prime is 2755381001. The reversal of 2755380990 is 990835572.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331095 + ... + 339314.

It is an arithmetic number, because the mean of its divisors is an integer number (208162305).

Almost surely, 2^2755380990 is an apocalyptic number.

2755380990 is an abundant number, since it is smaller than the sum of its proper divisors (3905812770).

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

2755380990 is a wasteful number, since it uses less digits than its factorization.

2755380990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670556.

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 2755380990 is about 52491.7230618314. The cubic root of 2755380990 is about 1401.9328727197.

The spelling of 2755380990 in words is "two billion, seven hundred fifty-five million, three hundred eighty thousand, nine hundred ninety".