2039172688 has 40 divisors (see below), whose sum is σ = 4555297728. Its totient is φ = 866191872.

The previous prime is 2039172683. The next prime is 2039172757. The reversal of 2039172688 is 8862719302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039172683) 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, 67906 + ... + 93217.

Almost surely, 2^2039172688 is an apocalyptic number.

2039172688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2039172688 is an abundant number, since it is smaller than the sum of its proper divisors (2516125040).

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

2039172688 is a wasteful number, since it uses less digits than its factorization.

2039172688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161251 (or 161245 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 2039172688 is about 45157.1997360332. The cubic root of 2039172688 is about 1268.0936716584.

The spelling of 2039172688 in words is "two billion, thirty-nine million, one hundred seventy-two thousand, six hundred eighty-eight".