2764068840 has 128 divisors (see below), whose sum is σ = 9922348800. Its totient is φ = 680382720.

The previous prime is 2764068829. The next prime is 2764068863. The reversal of 2764068840 is 488604672.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84396 + ... + 112475.

It is an arithmetic number, because the mean of its divisors is an integer number (77518350).

Almost surely, 2^2764068840 is an apocalyptic number.

2764068840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2764068840 is an abundant number, since it is smaller than the sum of its proper divisors (7158279960).

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

2764068840 is a wasteful number, since it uses less digits than its factorization.

2764068840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196904 (or 196894 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 2764068840 is about 52574.4124075581. The cubic root of 2764068840 is about 1403.4047809338.

The spelling of 2764068840 in words is "two billion, seven hundred sixty-four million, sixty-eight thousand, eight hundred forty".