2721859044 has 24 divisors (see below), whose sum is σ = 6351881760. Its totient is φ = 907161024.

The previous prime is 2721859013. The next prime is 2721859057. The reversal of 2721859044 is 4409581272.

It is a junction number, because it is equal to n+sod(n) for n = 2721858987 and 2721859005.

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, 126247 + ... + 146225.

It is an arithmetic number, because the mean of its divisors is an integer number (264661740).

Almost surely, 2^2721859044 is an apocalyptic number.

It is an amenable number.

2721859044 is an abundant number, since it is smaller than the sum of its proper divisors (3630022716).

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

2721859044 is a wasteful number, since it uses less digits than its factorization.

2721859044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31339 (or 31337 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2721859044 is about 52171.4389680791. The cubic root of 2721859044 is about 1396.2243579656.

The spelling of 2721859044 in words is "two billion, seven hundred twenty-one million, eight hundred fifty-nine thousand, forty-four".