2720780044 has 24 divisors (see below), whose sum is σ = 4857667920. Its totient is φ = 1333023744.

The previous prime is 2720779969. The next prime is 2720780047. The reversal of 2720780044 is 4400870272.

It is a junction number, because it is equal to n+sod(n) for n = 2720779991 and 2720780009.

It is not an unprimeable number, because it can be changed into a prime (2720780047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55452 + ... + 92284.

It is an arithmetic number, because the mean of its divisors is an integer number (202402830).

Almost surely, 2^2720780044 is an apocalyptic number.

It is an amenable number.

2720780044 is a deficient number, since it is larger than the sum of its proper divisors (2136887876).

2720780044 is a wasteful number, since it uses less digits than its factorization.

2720780044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37209 (or 37207 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 2720780044 is about 52161.0970360095. The cubic root of 2720780044 is about 1396.0398363851.

The spelling of 2720780044 in words is "two billion, seven hundred twenty million, seven hundred eighty thousand, forty-four".