3621180942 has 48 divisors (see below), whose sum is σ = 8023833168. Its totient is φ = 1179930240.

The previous prime is 3621180889. The next prime is 3621180943. The reversal of 3621180942 is 2490811263.

It is a super-3 number, since 3×3621180942³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3621180897 and 3621180906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621180943) 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 23 ways as a sum of consecutive naturals, for example, 168858 + ... + 189090.

It is an arithmetic number, because the mean of its divisors is an integer number (167163191).

Almost surely, 2^3621180942 is an apocalyptic number.

3621180942 is an abundant number, since it is smaller than the sum of its proper divisors (4402652226).

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

3621180942 is a wasteful number, since it uses less digits than its factorization.

3621180942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20465 (or 20462 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 3621180942 is about 60176.2489857917. The cubic root of 3621180942 is about 1535.6187586333.

The spelling of 3621180942 in words is "three billion, six hundred twenty-one million, one hundred eighty thousand, nine hundred forty-two".