3117069840 has 80 divisors (see below), whose sum is σ = 9974647296. Its totient is φ = 804403200.

The previous prime is 3117069829. The next prime is 3117069841. The reversal of 3117069840 is 489607113.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3117069840² = 19432248774875251200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3117069841) 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, 202041 + ... + 216920.

Almost surely, 2^3117069840 is an apocalyptic number.

3117069840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3117069840 is an abundant number, since it is smaller than the sum of its proper divisors (6857577456).

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

3117069840 is a wasteful number, since it uses less digits than its factorization.

3117069840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419008 (or 419002 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 3117069840 is about 55830.7248743915. The cubic root of 3117069840 is about 1460.7711320132.

The spelling of 3117069840 in words is "three billion, one hundred seventeen million, sixty-nine thousand, eight hundred forty".