3155543540 has 12 divisors (see below), whose sum is σ = 6626641476. Its totient is φ = 1262217408.

The previous prime is 3155543507. The next prime is 3155543543. The reversal of 3155543540 is 453455513.

It can be written as a sum of positive squares in 2 ways, for example, as 1407300196 + 1748243344 = 37514^2 + 41812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3155543540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155543543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78888569 + ... + 78888608.

It is an arithmetic number, because the mean of its divisors is an integer number (552220123).

Almost surely, 2^3155543540 is an apocalyptic number.

It is an amenable number.

3155543540 is an abundant number, since it is smaller than the sum of its proper divisors (3471097936).

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

3155543540 is a wasteful number, since it uses less digits than its factorization.

3155543540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157777186 (or 157777184 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 3155543540 is about 56174.2248722668. The cubic root of 3155543540 is about 1466.7566265987.

The spelling of 3155543540 in words is "three billion, one hundred fifty-five million, five hundred forty-three thousand, five hundred forty".