2756500000 has 168 divisors, whose sum is σ = 7013582100. Its totient is φ = 1065600000.

The previous prime is 2756499971. The next prime is 2756500013. The reversal of 2756500000 is 56572.

It is a happy number.

It can be written as a sum of positive squares in 14 ways, for example, as 2397473296 + 359026704 = 48964^2 + 18948^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18499926 + ... + 18500074.

Almost surely, 2^2756500000 is an apocalyptic number.

2756500000 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 2756500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3506791050).

2756500000 is an abundant number, since it is smaller than the sum of its proper divisors (4257082100).

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

2756500000 is an frugal number, since it uses more digits than its factorization.

2756500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2756500000 is about 52502.3808983936. The cubic root of 2756500000 is about 1402.1226304565.

Adding to 2756500000 its reverse (56572), we get a palindrome (2756556572).

The spelling of 2756500000 in words is "two billion, seven hundred fifty-six million, five hundred thousand".