2720442988 has 54 divisors (see below), whose sum is σ = 5045212788. Its totient is φ = 1282821120.

The previous prime is 2720442983. The next prime is 2720443001. The reversal of 2720442988 is 8892440272.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2720442983) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28045756 + ... + 28045852.

Almost surely, 2^2720442988 is an apocalyptic number.

It is an amenable number.

2720442988 is a deficient number, since it is larger than the sum of its proper divisors (2324769800).

2720442988 is an equidigital number, since it uses as much as digits as its factorization.

2720442988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 2720442988 is about 52157.8660222981. The cubic root of 2720442988 is about 1395.9821858795.

The spelling of 2720442988 in words is "two billion, seven hundred twenty million, four hundred forty-two thousand, nine hundred eighty-eight".