3550352640 has 144 divisors (see below), whose sum is σ = 11391686208. Its totient is φ = 942358528.

The previous prime is 3550352633. The next prime is 3550352651. The reversal of 3550352640 is 462530553.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869644 + ... + 873716.

It is an arithmetic number, because the mean of its divisors is an integer number (79108932).

Almost surely, 2^3550352640 is an apocalyptic number.

3550352640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3550352640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5695843104).

3550352640 is an abundant number, since it is smaller than the sum of its proper divisors (7841333568).

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

3550352640 is a wasteful number, since it uses less digits than its factorization.

3550352640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324 (or 4310 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 3550352640 is about 59584.8356547201. The cubic root of 3550352640 is about 1525.5408118617.

The spelling of 3550352640 in words is "three billion, five hundred fifty million, three hundred fifty-two thousand, six hundred forty".