2723938320 has 80 divisors (see below), whose sum is σ = 8650196352. Its totient is φ = 708664320.

The previous prime is 2723938307. The next prime is 2723938331. The reversal of 2723938320 is 238393272.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128572 + ... + 148251.

Almost surely, 2^2723938320 is an apocalyptic number.

2723938320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2723938320 is an abundant number, since it is smaller than the sum of its proper divisors (5926258032).

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

2723938320 is a wasteful number, since it uses less digits than its factorization.

2723938320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276880 (or 276874 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 2723938320 is about 52191.3625037707. The cubic root of 2723938320 is about 1396.5798009200.

The spelling of 2723938320 in words is "two billion, seven hundred twenty-three million, nine hundred thirty-eight thousand, three hundred twenty".