3551840404 has 24 divisors (see below), whose sum is σ = 7200995648. Its totient is φ = 1501364160.

The previous prime is 3551840401. The next prime is 3551840417. The reversal of 3551840404 is 4040481553.

It is a self number, because there is not a number n which added to its sum of digits gives 3551840404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551840401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866802 + ... + 870889.

Almost surely, 2^3551840404 is an apocalyptic number.

It is an amenable number.

3551840404 is an abundant number, since it is smaller than the sum of its proper divisors (3649155244).

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

3551840404 is a wasteful number, since it uses less digits than its factorization.

3551840404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737775 (or 1737773 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 3551840404 is about 59597.3187651928. The cubic root of 3551840404 is about 1525.7538731146.

The spelling of 3551840404 in words is "three billion, five hundred fifty-one million, eight hundred forty thousand, four hundred four".