3555440000 has 240 divisors, whose sum is σ = 10307466180. Its totient is φ = 1217664000.

The previous prime is 3555439997. The next prime is 3555440039. The reversal of 3555440000 is 445553.

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 29 ways as a sum of consecutive naturals, for example, 3919547 + ... + 3920453.

Almost surely, 2^3555440000 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 3555440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5153733090).

3555440000 is an abundant number, since it is smaller than the sum of its proper divisors (6752026180).

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

3555440000 is an frugal number, since it uses more digits than its factorization.

3555440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 3555440000 is about 59627.5104293312. The cubic root of 3555440000 is about 1526.2691217974.

Adding to 3555440000 its reverse (445553), we get a palindrome (3555885553).

The spelling of 3555440000 in words is "three billion, five hundred fifty-five million, four hundred forty thousand".