3540240437065 has 32 divisors (see below), whose sum is σ = 4383198167040. Its totient is φ = 2743441396416.

The previous prime is 3540240437059. The next prime is 3540240437077. The reversal of 3540240437065 is 5607340420453.

It is a cyclic number.

It is not a de Polignac number, because 3540240437065 - 2⁵ = 3540240437033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12469156 + ... + 12749914.

It is an arithmetic number, because the mean of its divisors is an integer number (136974942720).

Almost surely, 2^{3540240437065} is an apocalyptic number.

It is an amenable number.

3540240437065 is a deficient number, since it is larger than the sum of its proper divisors (842957729975).

3540240437065 is a wasteful number, since it uses less digits than its factorization.

3540240437065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281293.

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 3540240437065 in words is "three trillion, five hundred forty billion, two hundred forty million, four hundred thirty-seven thousand, sixty-five".