2745451776 has 72 divisors (see below), whose sum is σ = 7328557600. Its totient is φ = 912439296.

The previous prime is 2745451739. The next prime is 2745451783. The reversal of 2745451776 is 6771545472.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262911 + ... + 273153.

Almost surely, 2^2745451776 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 2745451776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3664278800).

2745451776 is an abundant number, since it is smaller than the sum of its proper divisors (4583105824).

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

2745451776 is a wasteful number, since it uses less digits than its factorization.

2745451776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611 (or 10597 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 48.

The square root of 2745451776 is about 52397.0588487560. The cubic root of 2745451776 is about 1400.2468571502.

The spelling of 2745451776 in words is "two billion, seven hundred forty-five million, four hundred fifty-one thousand, seven hundred seventy-six".