2750320155 has 64 divisors (see below), whose sum is σ = 5001891840. Its totient is φ = 1278374400.

The previous prime is 2750320127. The next prime is 2750320171. The reversal of 2750320155 is 5510230572.

It is not a de Polignac number, because 2750320155 - 2⁸ = 2750319899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 555069 + ... + 560001.

It is an arithmetic number, because the mean of its divisors is an integer number (78154560).

Almost surely, 2^2750320155 is an apocalyptic number.

2750320155 is a deficient number, since it is larger than the sum of its proper divisors (2251571685).

2750320155 is a wasteful number, since it uses less digits than its factorization.

2750320155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2750320155 is about 52443.4948778206. The cubic root of 2750320155 is about 1401.0740321211.

The spelling of 2750320155 in words is "two billion, seven hundred fifty million, three hundred twenty thousand, one hundred fifty-five".