3551844380 has 36 divisors (see below), whose sum is σ = 8676650808. Its totient is φ = 1217774880.

The previous prime is 3551844371. The next prime is 3551844389. The reversal of 3551844380 is 834481553.

3551844380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3551844371) and next prime (3551844389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551844389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1811186 + ... + 1813145.

It is an arithmetic number, because the mean of its divisors is an integer number (241018078).

Almost surely, 2^3551844380 is an apocalyptic number.

It is an amenable number.

3551844380 is an abundant number, since it is smaller than the sum of its proper divisors (5124806428).

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

3551844380 is a wasteful number, since it uses less digits than its factorization.

3551844380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624354 (or 3624345 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 3551844380 is about 59597.3521223888. The cubic root of 3551844380 is about 1525.7544424340.

The spelling of 3551844380 in words is "three billion, five hundred fifty-one million, eight hundred forty-four thousand, three hundred eighty".