2766494864 has 40 divisors (see below), whose sum is σ = 6486156288. Its totient is φ = 1115896320.

The previous prime is 2766494849. The next prime is 2766494869. The reversal of 2766494864 is 4684946672.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (2766494869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724592 + ... + 728399.

Almost surely, 2^2766494864 is an apocalyptic number.

It is an amenable number.

2766494864 is an abundant number, since it is smaller than the sum of its proper divisors (3719661424).

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

2766494864 is a wasteful number, since it uses less digits than its factorization.

2766494864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453023 (or 1453017 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 56.

The square root of 2766494864 is about 52597.4796354350. The cubic root of 2766494864 is about 1403.8152504580.

The spelling of 2766494864 in words is "two billion, seven hundred sixty-six million, four hundred ninety-four thousand, eight hundred sixty-four".