2745776880 has 400 divisors, whose sum is σ = 11891810304. Its totient is φ = 570447360.

The previous prime is 2745776843. The next prime is 2745776893. The reversal of 2745776880 is 886775472.

It is a happy number.

2745776880 is a `hidden beast` number, since 2 + 7 + 4 + 577 + 68 + 8 + 0 = 666.

2745776880 is digitally balanced in base 2, because in such base 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 (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 496209 + ... + 501711.

Almost surely, 2^2745776880 is an apocalyptic number.

2745776880 is a gapful number since it is divisible by the number (20) 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 2745776880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5945905152).

2745776880 is an abundant number, since it is smaller than the sum of its proper divisors (9146033424).

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

2745776880 is a wasteful number, since it uses less digits than its factorization.

2745776880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The square root of 2745776880 is about 52400.1610684547. The cubic root of 2745776880 is about 1400.3021252717.

The spelling of 2745776880 in words is "two billion, seven hundred forty-five million, seven hundred seventy-six thousand, eight hundred eighty".