2688947232 has 48 divisors (see below), whose sum is σ = 7061171040. Its totient is φ = 895974912.

The previous prime is 2688947231. The next prime is 2688947237. The reversal of 2688947232 is 2327498862.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2688947231) 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, 451023 + ... + 456945.

It is an arithmetic number, because the mean of its divisors is an integer number (147107730).

Almost surely, 2^2688947232 is an apocalyptic number.

It is an amenable number.

2688947232 is an abundant number, since it is smaller than the sum of its proper divisors (4372223808).

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

2688947232 is a wasteful number, since it uses less digits than its factorization.

2688947232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665 (or 10657 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 2688947232 is about 51855.0598495460. The cubic root of 2688947232 is about 1390.5739623684.

The spelling of 2688947232 in words is "two billion, six hundred eighty-eight million, nine hundred forty-seven thousand, two hundred thirty-two".