2755209380 has 384 divisors, whose sum is σ = 8360755200. Its totient is φ = 735436800.

The previous prime is 2755209371. The next prime is 2755209421. The reversal of 2755209380 is 839025572.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14425085 + ... + 14425275.

It is an arithmetic number, because the mean of its divisors is an integer number (21772800).

Almost surely, 2^2755209380 is an apocalyptic number.

2755209380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755209380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4180377600).

2755209380 is an abundant number, since it is smaller than the sum of its proper divisors (5605545820).

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

2755209380 is a wasteful number, since it uses less digits than its factorization.

2755209380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 2755209380 is about 52490.0883977156. The cubic root of 2755209380 is about 1401.9037671627.

The spelling of 2755209380 in words is "two billion, seven hundred fifty-five million, two hundred nine thousand, three hundred eighty".