2777270140 has 12 divisors (see below), whose sum is σ = 5832267336. Its totient is φ = 1110908048.

The previous prime is 2777270117. The next prime is 2777270141. The reversal of 2777270140 is 410727772.

It is a self number, because there is not a number n which added to its sum of digits gives 2777270140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2777270141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69431734 + ... + 69431773.

It is an arithmetic number, because the mean of its divisors is an integer number (486022278).

Almost surely, 2^2777270140 is an apocalyptic number.

2777270140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2777270140 is an abundant number, since it is smaller than the sum of its proper divisors (3054997196).

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

2777270140 is a wasteful number, since it uses less digits than its factorization.

2777270140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138863516 (or 138863514 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 2777270140 is about 52699.8115746157. The cubic root of 2777270140 is about 1405.6354719626.

The spelling of 2777270140 in words is "two billion, seven hundred seventy-seven million, two hundred seventy thousand, one hundred forty".