3155559540 has 96 divisors (see below), whose sum is σ = 10269020160. Its totient is φ = 709040256.

The previous prime is 3155559443. The next prime is 3155559557. The reversal of 3155559540 is 459555513.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3155559492 and 3155559501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38892 + ... + 88451.

It is an arithmetic number, because the mean of its divisors is an integer number (106968960).

Almost surely, 2^3155559540 is an apocalyptic number.

3155559540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3155559540 is an abundant number, since it is smaller than the sum of its proper divisors (7113460620).

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

3155559540 is a wasteful number, since it uses less digits than its factorization.

3155559540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127421 (or 127419 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 42.

The square root of 3155559540 is about 56174.3672861564. The cubic root of 3155559540 is about 1466.7591056292.

The spelling of 3155559540 in words is "three billion, one hundred fifty-five million, five hundred fifty-nine thousand, five hundred forty".