2766622404 has 96 divisors (see below), whose sum is σ = 8201568256. Its totient is φ = 706112640.

The previous prime is 2766622387. The next prime is 2766622409. The reversal of 2766622404 is 4042266672.

2766622404 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2766622409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7012 + ... + 74715.

Almost surely, 2^2766622404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2766622404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4100784128).

2766622404 is an abundant number, since it is smaller than the sum of its proper divisors (5434945852).

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

2766622404 is a wasteful number, since it uses less digits than its factorization.

2766622404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81785 (or 81783 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 2766622404 is about 52598.6920369699. The cubic root of 2766622404 is about 1403.8368228634.

The spelling of 2766622404 in words is "two billion, seven hundred sixty-six million, six hundred twenty-two thousand, four hundred four".