2770443648 has 320 divisors, whose sum is σ = 9597139200. Its totient is φ = 776936448.

The previous prime is 2770443647. The next prime is 2770443673. The reversal of 2770443648 is 8463440772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770443647) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4281661 + ... + 4282307.

It is an arithmetic number, because the mean of its divisors is an integer number (29991060).

Almost surely, 2^2770443648 is an apocalyptic number.

2770443648 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 2770443648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4798569600).

2770443648 is an abundant number, since it is smaller than the sum of its proper divisors (6826695552).

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

2770443648 is an equidigital number, since it uses as much as digits as its factorization.

2770443648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The square root of 2770443648 is about 52635.0040182387. The cubic root of 2770443648 is about 1404.4828494842.

The spelling of 2770443648 in words is "two billion, seven hundred seventy million, four hundred forty-three thousand, six hundred forty-eight".