2750091264 has 208 divisors, whose sum is σ = 8274875840. Its totient is φ = 913711104.

The previous prime is 2750091263. The next prime is 2750091269. The reversal of 2750091264 is 4621900572.

2750091264 is a `hidden beast` number, since 2 + 7 + 500 + 91 + 2 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2750091263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8957799 + ... + 8958105.

Almost surely, 2^2750091264 is an apocalyptic number.

2750091264 is a gapful number since it is divisible by the number (24) 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 2750091264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4137437920).

2750091264 is an abundant number, since it is smaller than the sum of its proper divisors (5524784576).

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

2750091264 is an frugal number, since it uses more digits than its factorization.

2750091264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2750091264 is about 52441.3125693856. The cubic root of 2750091264 is about 1401.0351636603.

The spelling of 2750091264 in words is "two billion, seven hundred fifty million, ninety-one thousand, two hundred sixty-four".