2939168840 has 16 divisors (see below), whose sum is σ = 6613129980. Its totient is φ = 1175667520.

The previous prime is 2939168833. The next prime is 2939168857. The reversal of 2939168840 is 488619392.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2842382596 + 96786244 = 53314^2 + 9838^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36739571 + ... + 36739650.

Almost surely, 2^2939168840 is an apocalyptic number.

2939168840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2939168840 is an abundant number, since it is smaller than the sum of its proper divisors (3673961140).

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

2939168840 is a wasteful number, since it uses less digits than its factorization.

2939168840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73479232 (or 73479228 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 2939168840 is about 54214.1018555136. The cubic root of 2939168840 is about 1432.4347392114.

The spelling of 2939168840 in words is "two billion, nine hundred thirty-nine million, one hundred sixty-eight thousand, eight hundred forty".