3621400000 has 168 divisors, whose sum is σ = 9464862960. Its totient is φ = 1370880000.

The previous prime is 3621399967. The next prime is 3621400001. The reversal of 3621400000 is 41263.

It is a super-2 number, since 2×3621400000² = 26229075920000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621400001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3799524 + ... + 3800476.

It is an arithmetic number, because the mean of its divisors is an integer number (56338470).

Almost surely, 2^3621400000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3621400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4732431480).

3621400000 is an abundant number, since it is smaller than the sum of its proper divisors (5843462960).

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

3621400000 is an frugal number, since it uses more digits than its factorization.

3621400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3621400000 is about 60178.0690949784. The cubic root of 3621400000 is about 1535.6497230062.

Adding to 3621400000 its reverse (41263), we get a palindrome (3621441263).

The spelling of 3621400000 in words is "three billion, six hundred twenty-one million, four hundred thousand".