2688239172 has 48 divisors (see below), whose sum is σ = 6930306432. Its totient is φ = 806699520.

The previous prime is 2688239153. The next prime is 2688239179. The reversal of 2688239172 is 2719328862.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2688239179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281779 + ... + 291162.

It is an arithmetic number, because the mean of its divisors is an integer number (144381384).

Almost surely, 2^2688239172 is an apocalyptic number.

It is an amenable number.

2688239172 is an abundant number, since it is smaller than the sum of its proper divisors (4242067260).

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

2688239172 is a wasteful number, since it uses less digits than its factorization.

2688239172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572988 (or 572986 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 2688239172 is about 51848.2321010080. The cubic root of 2688239172 is about 1390.4518952357.

It can be divided in two parts, 2688 and 239172, that added together give a triangular number (241860 = T₆₉₅).

The spelling of 2688239172 in words is "two billion, six hundred eighty-eight million, two hundred thirty-nine thousand, one hundred seventy-two".