2775015140 has 24 divisors (see below), whose sum is σ = 5829485760. Its totient is φ = 1109633888.

The previous prime is 2775015109. The next prime is 2775015161. The reversal of 2775015140 is 415105772.

It is a junction number, because it is equal to n+sod(n) for n = 2775015097 and 2775015106.

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, 42401 + ... + 85719.

It is an arithmetic number, because the mean of its divisors is an integer number (242895240).

Almost surely, 2^2775015140 is an apocalyptic number.

2775015140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2775015140 is an abundant number, since it is smaller than the sum of its proper divisors (3054470620).

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

2775015140 is a wasteful number, since it uses less digits than its factorization.

2775015140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46531 (or 46529 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 2775015140 is about 52678.4124665882. The cubic root of 2775015140 is about 1405.2549344687.

The spelling of 2775015140 in words is "two billion, seven hundred seventy-five million, fifteen thousand, one hundred forty".