2755900000 has 288 divisors, whose sum is σ = 8063483904. Its totient is φ = 907200000.

The previous prime is 2755899967. The next prime is 2755900009. The reversal of 2755900000 is 95572.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755900009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21699937 + ... + 21700063.

It is an arithmetic number, because the mean of its divisors is an integer number (27998208).

Almost surely, 2^2755900000 is an apocalyptic number.

2755900000 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 2755900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4031741952).

2755900000 is an abundant number, since it is smaller than the sum of its proper divisors (5307583904).

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

2755900000 is an equidigital number, since it uses as much as digits as its factorization.

2755900000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 2755900000 is about 52496.6665608398. Note that the first 3 decimals coincide. The cubic root of 2755900000 is about 1402.0208909771.

Adding to 2755900000 its reverse (95572), we get a palindrome (2755995572).

The spelling of 2755900000 in words is "two billion, seven hundred fifty-five million, nine hundred thousand".