2794447656 has 576 divisors, whose sum is σ = 10755763200. Its totient is φ = 643507200.

The previous prime is 2794447549. The next prime is 2794447657. The reversal of 2794447656 is 6567444972.

2794447656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

Its product of digits (10160640) is a multiple of the sum of its prime divisors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2794447657) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14630521 + ... + 14630711.

It is an arithmetic number, because the mean of its divisors is an integer number (18673200).

Almost surely, 2^2794447656 is an apocalyptic number.

2794447656 is a gapful number since it is divisible by the number (26) 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 2794447656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5377881600).

2794447656 is an abundant number, since it is smaller than the sum of its proper divisors (7961315544).

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

2794447656 is a wasteful number, since it uses less digits than its factorization.

2794447656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 256 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The square root of 2794447656 is about 52862.5354670016. The cubic root of 2794447656 is about 1408.5274864275.

The spelling of 2794447656 in words is "two billion, seven hundred ninety-four million, four hundred forty-seven thousand, six hundred fifty-six".