3621168240 has 80 divisors (see below), whose sum is σ = 11231426976. Its totient is φ = 965145600.

The previous prime is 3621168223. The next prime is 3621168253. The reversal of 3621168240 is 428611263.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×3621168240³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 847710 + ... + 851970.

Almost surely, 2^3621168240 is an apocalyptic number.

3621168240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3621168240 is an abundant number, since it is smaller than the sum of its proper divisors (7610258736).

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

3621168240 is a wasteful number, since it uses less digits than its factorization.

3621168240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818 (or 7812 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 3621168240 is about 60176.1434457211. The cubic root of 3621168240 is about 1535.6169631369.

The spelling of 3621168240 in words is "three billion, six hundred twenty-one million, one hundred sixty-eight thousand, two hundred forty".