2729149880 has 32 divisors (see below), whose sum is σ = 6144647040. Its totient is φ = 1090938240.

The previous prime is 2729149867. The next prime is 2729149931. The reversal of 2729149880 is 889419272.

It is a congruent number.

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, 40910 + ... + 84450.

It is an arithmetic number, because the mean of its divisors is an integer number (192020220).

Almost surely, 2^2729149880 is an apocalyptic number.

2729149880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729149880 is an abundant number, since it is smaller than the sum of its proper divisors (3415497160).

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

2729149880 is a wasteful number, since it uses less digits than its factorization.

2729149880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45119 (or 45115 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 2729149880 is about 52241.2660642906. The cubic root of 2729149880 is about 1397.4698997083.

The spelling of 2729149880 in words is "two billion, seven hundred twenty-nine million, one hundred forty-nine thousand, eight hundred eighty".