3540545261415 has 192 divisors, whose sum is σ = 6622986240000. Its totient is φ = 1745699558400.

The previous prime is 3540545261413. The next prime is 3540545261437. The reversal of 3540545261415 is 5141625450453.

3540545261415 is a `hidden beast` number, since 3 + 5 + 4 + 0 + 545 + 2 + 61 + 41 + 5 = 666.

It is not a de Polignac number, because 3540545261415 - 2¹ = 3540545261413 is a prime.

It is a super-3 number, since 3×3540545261415³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540545261413) 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 191 ways as a sum of consecutive naturals, for example, 2563754025 + ... + 2563755405.

It is an arithmetic number, because the mean of its divisors is an integer number (34494720000).

Almost surely, 2^{3540545261415} is an apocalyptic number.

3540545261415 is a deficient number, since it is larger than the sum of its proper divisors (3082440978585).

3540545261415 is a wasteful number, since it uses less digits than its factorization.

3540545261415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 3540545261415 in words is "three trillion, five hundred forty billion, five hundred forty-five million, two hundred sixty-one thousand, four hundred fifteen".