3561344250 has 64 divisors (see below), whose sum is σ = 8911019520. Its totient is φ = 947352000.

The previous prime is 3561344243. The next prime is 3561344251. The reversal of 3561344250 is 524431653.

It is not an unprimeable number, because it can be changed into a prime (3561344251) 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, 310111 + ... + 321389.

It is an arithmetic number, because the mean of its divisors is an integer number (139234680).

Almost surely, 2^3561344250 is an apocalyptic number.

3561344250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3561344250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4455509760).

3561344250 is an abundant number, since it is smaller than the sum of its proper divisors (5349675270).

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

3561344250 is a wasteful number, since it uses less digits than its factorization.

3561344250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11720 (or 11710 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 3561344250 is about 59676.9993381035. Note that the first 3 decimals coincide. The cubic root of 3561344250 is about 1527.1135077557.

The spelling of 3561344250 in words is "three billion, five hundred sixty-one million, three hundred forty-four thousand, two hundred fifty".