2772455712 has 192 divisors, whose sum is σ = 8083805184. Its totient is φ = 826721280.

The previous prime is 2772455683. The next prime is 2772455713. The reversal of 2772455712 is 2175542772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2772455713) 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, 5936503 + ... + 5936969.

It is an arithmetic number, because the mean of its divisors is an integer number (42103152).

Almost surely, 2^2772455712 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 2772455712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4041902592).

2772455712 is an abundant number, since it is smaller than the sum of its proper divisors (5311349472).

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

2772455712 is a wasteful number, since it uses less digits than its factorization.

2772455712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 623 counting only the distinct ones).

The product of its digits is 274400, while the sum is 42.

The square root of 2772455712 is about 52654.1139133496. The cubic root of 2772455712 is about 1404.8227740474.

It can be divided in two parts, 27724 and 55712, that added together give a triangular number (83436 = T₄₀₈).

The spelling of 2772455712 in words is "two billion, seven hundred seventy-two million, four hundred fifty-five thousand, seven hundred twelve".