3496540207878 has 24 divisors (see below), whose sum is σ = 7576572110328. Its totient is φ = 1165400326752.

The previous prime is 3496540207873. The next prime is 3496540207889. The reversal of 3496540207878 is 8787020456943.

3496540207878 is a `hidden beast` number, since 3 + 4 + 9 + 6 + 540 + 2 + 0 + 7 + 87 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3496540207873) 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 11 ways as a sum of consecutive naturals, for example, 9232200 + ... + 9603467.

It is an arithmetic number, because the mean of its divisors is an integer number (315690504597).

Almost surely, 2^{3496540207878} is an apocalyptic number.

3496540207878 is an abundant number, since it is smaller than the sum of its proper divisors (4080031902450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3496540207878 is a wasteful number, since it uses less digits than its factorization.

3496540207878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18845988 (or 18845985 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 63.

The spelling of 3496540207878 in words is "three trillion, four hundred ninety-six billion, five hundred forty million, two hundred seven thousand, eight hundred seventy-eight".