3540468251871 has 28 divisors (see below), whose sum is σ = 5587656940920. Its totient is φ = 2236085202960.

The previous prime is 3540468251869. The next prime is 3540468251927. The reversal of 3540468251871 is 1781528640453.

It is a happy number.

3540468251871 is a `hidden beast` number, since 3 + 5 + 4 + 0 + 46 + 82 + 518 + 7 + 1 = 666.

It is not a de Polignac number, because 3540468251871 - 2¹ = 3540468251869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540468251821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 127791660 + ... + 127819361.

Almost surely, 2^{3540468251871} is an apocalyptic number.

3540468251871 is a deficient number, since it is larger than the sum of its proper divisors (2047188689049).

3540468251871 is an equidigital number, since it uses as much as digits as its factorization.

3540468251871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255611058 (or 255611043 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 3540468251871 in words is "three trillion, five hundred forty billion, four hundred sixty-eight million, two hundred fifty-one thousand, eight hundred seventy-one".