3621043077120 has 1792 divisors, whose sum is σ = 15348250863360. Its totient is φ = 802632499200.

The previous prime is 3621043077109. The next prime is 3621043077131. The reversal of 3621043077120 is 217703401263.

3621043077120 is a `hidden beast` number, since 3 + 6 + 210 + 430 + 7 + 7 + 1 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3621043077109) and next prime (3621043077131).

It is a tau number, because it is divible by the number of its divisors (1792).

It is a super-2 number, since 2×3621043077120² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 51000606685 + ... + 51000606755.

Almost surely, 2^{3621043077120} is an apocalyptic number.

3621043077120 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 3621043077120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7674125431680).

3621043077120 is an abundant number, since it is smaller than the sum of its proper divisors (11727207786240).

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

3621043077120 is an frugal number, since it uses more digits than its factorization.

3621043077120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

Adding to 3621043077120 its reverse (217703401263), we get a palindrome (3838746478383).

The spelling of 3621043077120 in words is "three trillion, six hundred twenty-one billion, forty-three million, seventy-seven thousand, one hundred twenty".