3621354240 has 288 divisors, whose sum is σ = 13303987200. Its totient is φ = 822362112.

The previous prime is 3621354227. The next prime is 3621354251. The reversal of 3621354240 is 424531263.

It is a super-2 number, since 2×3621354240² = 26228413063131955200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3621354198 and 3621354207.

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 31 ways as a sum of consecutive naturals, for example, 5348782 + ... + 5349458.

It is an arithmetic number, because the mean of its divisors is an integer number (46194400).

Almost surely, 2^3621354240 is an apocalyptic number.

3621354240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3621354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6651993600).

3621354240 is an abundant number, since it is smaller than the sum of its proper divisors (9682632960).

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

3621354240 is a wasteful number, since it uses less digits than its factorization.

3621354240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 3621354240 is about 60177.6888888232. The cubic root of 3621354240 is about 1535.6432548238.

The spelling of 3621354240 in words is "three billion, six hundred twenty-one million, three hundred fifty-four thousand, two hundred forty".