2775482140 has 12 divisors (see below), whose sum is σ = 5828512536. Its totient is φ = 1110192848.

The previous prime is 2775482131. The next prime is 2775482159. The reversal of 2775482140 is 412845772.

It is a super-2 number, since 2×2775482140² = 15406602218917959200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2775482093 and 2775482102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69387034 + ... + 69387073.

It is an arithmetic number, because the mean of its divisors is an integer number (485709378).

Almost surely, 2^2775482140 is an apocalyptic number.

2775482140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2775482140 is an abundant number, since it is smaller than the sum of its proper divisors (3053030396).

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

2775482140 is a wasteful number, since it uses less digits than its factorization.

2775482140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138774116 (or 138774114 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 2775482140 is about 52682.8448358666. The cubic root of 2775482140 is about 1405.3337589329. Note that the first 3 decimals are identical.

The spelling of 2775482140 in words is "two billion, seven hundred seventy-five million, four hundred eighty-two thousand, one hundred forty".