3553840780 has 96 divisors (see below), whose sum is σ = 8755439616. Its totient is φ = 1186327296.

The previous prime is 3553840727. The next prime is 3553840783. The reversal of 3553840780 is 870483553.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (3553840783) 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 31 ways as a sum of consecutive naturals, for example, 2389197 + ... + 2390683.

It is an arithmetic number, because the mean of its divisors is an integer number (91202496).

Almost surely, 2^3553840780 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 3553840780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4377719808).

3553840780 is an abundant number, since it is smaller than the sum of its proper divisors (5201598836).

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

3553840780 is a wasteful number, since it uses less digits than its factorization.

3553840780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 3553840780 is about 59614.0988357620. The cubic root of 3553840780 is about 1526.0402512820.

The spelling of 3553840780 in words is "three billion, five hundred fifty-three million, eight hundred forty thousand, seven hundred eighty".