3549530568402 has 120 divisors (see below), whose sum is σ = 9842805124416. Its totient is φ = 936139879584.

The previous prime is 3549530568383. The next prime is 3549530568407. The reversal of 3549530568402 is 2048650359453.

It is a happy number.

3549530568402 is a `hidden beast` number, since 3 + 5 + 4 + 9 + 5 + 30 + 568 + 40 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3549530568407) 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 59 ways as a sum of consecutive naturals, for example, 9068998 + ... + 9452289.

Almost surely, 2^{3549530568402} is an apocalyptic number.

3549530568402 is an abundant number, since it is smaller than the sum of its proper divisors (6293274556014).

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

3549530568402 is a wasteful number, since it uses less digits than its factorization.

3549530568402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18521334 (or 18521312 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 3549530568402 in words is "three trillion, five hundred forty-nine billion, five hundred thirty million, five hundred sixty-eight thousand, four hundred two".