2720437387228 has 24 divisors (see below), whose sum is σ = 5193653747184. Its totient is φ = 1236540672000.

The previous prime is 2720437387201. The next prime is 2720437387259. The reversal of 2720437387228 is 8227837340272.

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, 2130076 + ... + 3158812.

It is an arithmetic number, because the mean of its divisors is an integer number (216402239466).

Almost surely, 2^{2720437387228} is an apocalyptic number.

It is an amenable number.

2720437387228 is a deficient number, since it is larger than the sum of its proper divisors (2473216359956).

2720437387228 is a wasteful number, since it uses less digits than its factorization.

2720437387228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088853 (or 1088851 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 55.

The spelling of 2720437387228 in words is "two trillion, seven hundred twenty billion, four hundred thirty-seven million, three hundred eighty-seven thousand, two hundred twenty-eight".