2775255120 has 120 divisors (see below), whose sum is σ = 10167554592. Its totient is φ = 672787200.

The previous prime is 2775255103. The next prime is 2775255139. The reversal of 2775255120 is 215525772.

2775255120 is a `hidden beast` number, since 2 + 7 + 7 + 525 + 5 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167286 + ... + 183125.

Almost surely, 2^2775255120 is an apocalyptic number.

2775255120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2775255120 is an abundant number, since it is smaller than the sum of its proper divisors (7392299472).

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

2775255120 is a wasteful number, since it uses less digits than its factorization.

2775255120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350441 (or 350432 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 2775255120 is about 52680.6902004900. The cubic root of 2775255120 is about 1405.2954415581.

The spelling of 2775255120 in words is "two billion, seven hundred seventy-five million, two hundred fifty-five thousand, one hundred twenty".