2766236994 has 60 divisors (see below), whose sum is σ = 6370983234. Its totient is φ = 897086016.

The previous prime is 2766236971. The next prime is 2766237011. The reversal of 2766236994 is 4996326672.

2766236994 is a `hidden beast` number, since 2 + 7 + 6 + 623 + 6 + 9 + 9 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2692053225 + 74183769 = 51885^2 + 8613^2 .

It is a super-3 number, since 3×2766236994³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2766236994.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 215542 + ... + 228014.

Almost surely, 2^2766236994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2766236994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3185491617).

2766236994 is an abundant number, since it is smaller than the sum of its proper divisors (3604746240).

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

2766236994 is a wasteful number, since it uses less digits than its factorization.

2766236994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12561 (or 12515 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The square root of 2766236994 is about 52595.0282251089. The cubic root of 2766236994 is about 1403.7716317149.

The spelling of 2766236994 in words is "two billion, seven hundred sixty-six million, two hundred thirty-six thousand, nine hundred ninety-four".