2729382920 has 32 divisors (see below), whose sum is σ = 6699395520. Its totient is φ = 992502720.

The previous prime is 2729382917. The next prime is 2729382947. The reversal of 2729382920 is 292839272.

It is a super-2 number, since 2×2729382920² = 14899062247975452800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3101132 + ... + 3102011.

It is an arithmetic number, because the mean of its divisors is an integer number (209356110).

Almost surely, 2^2729382920 is an apocalyptic number.

2729382920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729382920 is an abundant number, since it is smaller than the sum of its proper divisors (3970012600).

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

2729382920 is a wasteful number, since it uses less digits than its factorization.

2729382920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203165 (or 6203161 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2729382920 is about 52243.4964373557. The cubic root of 2729382920 is about 1397.5096748679.

The spelling of 2729382920 in words is "two billion, seven hundred twenty-nine million, three hundred eighty-two thousand, nine hundred twenty".