2766004388 has 48 divisors (see below), whose sum is σ = 5716967424. Its totient is φ = 1145884320.

The previous prime is 2766004337. The next prime is 2766004411. The reversal of 2766004388 is 8834006672.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289645 + ... + 1291787.

It is an arithmetic number, because the mean of its divisors is an integer number (119103488).

Almost surely, 2^2766004388 is an apocalyptic number.

2766004388 is a gapful number since it is divisible by the number (28) 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 2766004388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2858483712).

2766004388 is an abundant number, since it is smaller than the sum of its proper divisors (2950963036).

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

2766004388 is a wasteful number, since it uses less digits than its factorization.

2766004388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672 (or 3670 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 2766004388 is about 52592.8168859589. The cubic root of 2766004388 is about 1403.7322840550.

The spelling of 2766004388 in words is "two billion, seven hundred sixty-six million, four thousand, three hundred eighty-eight".