3447003020640 has 192 divisors, whose sum is σ = 11041009705152. Its totient is φ = 903726489600.

The previous prime is 3447003020621. The next prime is 3447003020641. The reversal of 3447003020640 is 460203007443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447003020641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68285010 + ... + 68335470.

It is an arithmetic number, because the mean of its divisors is an integer number (57505258881).

Almost surely, 2^{3447003020640} is an apocalyptic number.

3447003020640 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 3447003020640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5520504852576).

3447003020640 is an abundant number, since it is smaller than the sum of its proper divisors (7594006684512).

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

3447003020640 is a wasteful number, since it uses less digits than its factorization.

3447003020640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52873 (or 52865 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 33.

The spelling of 3447003020640 in words is "three trillion, four hundred forty-seven billion, three million, twenty thousand, six hundred forty".