2776450656 has 48 divisors (see below), whose sum is σ = 8329353984. Its totient is φ = 793271424.

The previous prime is 2776450637. The next prime is 2776450667. The reversal of 2776450656 is 6560546772.

It is a tau number, because it is divible by the number of its divisors (48).

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, 2065140 + ... + 2066483.

It is an arithmetic number, because the mean of its divisors is an integer number (173528208).

Almost surely, 2^2776450656 is an apocalyptic number.

It is an amenable number.

2776450656 is an abundant number, since it is smaller than the sum of its proper divisors (5552903328).

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

2776450656 is a wasteful number, since it uses less digits than its factorization.

2776450656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131643 (or 4131635 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The square root of 2776450656 is about 52692.0359826796. The cubic root of 2776450656 is about 1405.4972056032.

The spelling of 2776450656 in words is "two billion, seven hundred seventy-six million, four hundred fifty thousand, six hundred fifty-six".