2750401655 has 16 divisors (see below), whose sum is σ = 3359684064. Its totient is φ = 2161105920.

The previous prime is 2750401651. The next prime is 2750401699. The reversal of 2750401655 is 5561040572.

It is not a de Polignac number, because 2750401655 - 2² = 2750401651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750401651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72332 + ... + 103598.

It is an arithmetic number, because the mean of its divisors is an integer number (209980254).

Almost surely, 2^2750401655 is an apocalyptic number.

2750401655 is a deficient number, since it is larger than the sum of its proper divisors (609282409).

2750401655 is a wasteful number, since it uses less digits than its factorization.

2750401655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31586.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2750401655 is about 52444.2718988452. The cubic root of 2750401655 is about 1401.0878712864.

The spelling of 2750401655 in words is "two billion, seven hundred fifty million, four hundred one thousand, six hundred fifty-five".