2756255438790 has 512 divisors, whose sum is σ = 9055220428800. Its totient is φ = 582237020160.

The previous prime is 2756255438749. The next prime is 2756255438801. The reversal of 2756255438790 is 978345526572.

2756255438790 is a `hidden beast` number, since 2 + 7 + 5 + 6 + 2 + 5 + 543 + 87 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2189241181 + ... + 2189242439.

It is an arithmetic number, because the mean of its divisors is an integer number (17685977400).

Almost surely, 2^{2756255438790} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2756255438790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4527610214400).

2756255438790 is an abundant number, since it is smaller than the sum of its proper divisors (6298964990010).

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

2756255438790 is a wasteful number, since it uses less digits than its factorization.

2756255438790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 63.

The spelling of 2756255438790 in words is "two trillion, seven hundred fifty-six billion, two hundred fifty-five million, four hundred thirty-eight thousand, seven hundred ninety".