2740120551 has 24 divisors (see below), whose sum is σ = 4527918720. Its totient is φ = 1564209936.

The previous prime is 2740120541. The next prime is 2740120561. The reversal of 2740120551 is 1550210472.

2740120551 is a `hidden beast` number, since 2 + 7 + 401 + 205 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (2740120541) and next prime (2740120561).

It is not a de Polignac number, because 2740120551 - 2¹⁰ = 2740119527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740120501) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 42856 + ... + 85538.

It is an arithmetic number, because the mean of its divisors is an integer number (188663280).

Almost surely, 2^2740120551 is an apocalyptic number.

2740120551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2740120551 is a deficient number, since it is larger than the sum of its proper divisors (1787798169).

2740120551 is a wasteful number, since it uses less digits than its factorization.

2740120551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43715 (or 43712 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2740120551 is about 52346.1608047811. The cubic root of 2740120551 is about 1399.3399185912.

The spelling of 2740120551 in words is "two billion, seven hundred forty million, one hundred twenty thousand, five hundred fifty-one".