3540043516415 has 64 divisors (see below), whose sum is σ = 5149779047424. Its totient is φ = 2285360759808.

The previous prime is 3540043516393. The next prime is 3540043516421. The reversal of 3540043516415 is 5146153400453.

It is not a de Polignac number, because 3540043516415 - 2¹² = 3540043512319 is a prime.

It is a super-2 number, since 2×3540043516415² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 5661227 + ... + 6255363.

It is an arithmetic number, because the mean of its divisors is an integer number (80465297616).

Almost surely, 2^{3540043516415} is an apocalyptic number.

3540043516415 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3540043516415 is a deficient number, since it is larger than the sum of its proper divisors (1609735531009).

3540043516415 is a wasteful number, since it uses less digits than its factorization.

3540043516415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594336.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 3540043516415 its reverse (5146153400453), we get a palindrome (8686196916868).

The spelling of 3540043516415 in words is "three trillion, five hundred forty billion, forty-three million, five hundred sixteen thousand, four hundred fifteen".