2720556938 has 32 divisors (see below), whose sum is σ = 4574636352. Its totient is φ = 1202745600.

The previous prime is 2720556901. The next prime is 2720556941. The reversal of 2720556938 is 8396550272.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2720556892 and 2720556901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222020 + ... + 233952.

It is an arithmetic number, because the mean of its divisors is an integer number (142957386).

Almost surely, 2^2720556938 is an apocalyptic number.

2720556938 is a deficient number, since it is larger than the sum of its proper divisors (1854079414).

2720556938 is a wasteful number, since it uses less digits than its factorization.

2720556938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12230.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 2720556938 is about 52158.9583676668. The cubic root of 2720556938 is about 1396.0016765715.

The spelling of 2720556938 in words is "two billion, seven hundred twenty million, five hundred fifty-six thousand, nine hundred thirty-eight".