2688310432 has 12 divisors (see below), whose sum is σ = 5292611226. Its totient is φ = 1344155200.

The previous prime is 2688310409. The next prime is 2688310439. The reversal of 2688310432 is 2340138862.

It can be written as a sum of positive squares in only one way, i.e., 2580233616 + 108076816 = 50796^2 + 10396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2688310391 and 2688310400.

It is not an unprimeable number, because it can be changed into a prime (2688310439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42004819 + ... + 42004882.

Almost surely, 2^2688310432 is an apocalyptic number.

It is an amenable number.

2688310432 is a deficient number, since it is larger than the sum of its proper divisors (2604300794).

2688310432 is an equidigital number, since it uses as much as digits as its factorization.

2688310432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84009711 (or 84009703 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2688310432 is about 51848.9192944270. The cubic root of 2688310432 is about 1390.4641811870.

The spelling of 2688310432 in words is "two billion, six hundred eighty-eight million, three hundred ten thousand, four hundred thirty-two".