3442646844 has 288 divisors, whose sum is σ = 11193262080. Its totient is φ = 867801600.

The previous prime is 3442646821. The next prime is 3442646849. The reversal of 3442646844 is 4486462443.

3442646844 is a `hidden beast` number, since 344 + 264 + 6 + 8 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3442646844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442646849) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11069449 + ... + 11069759.

Almost surely, 2^3442646844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3442646844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5596631040).

3442646844 is an abundant number, since it is smaller than the sum of its proper divisors (7750615236).

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

3442646844 is a wasteful number, since it uses less digits than its factorization.

3442646844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 476 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 45.

The square root of 3442646844 is about 58674.0730135551. The cubic root of 3442646844 is about 1509.9555333893.

The spelling of 3442646844 in words is "three billion, four hundred forty-two million, six hundred forty-six thousand, eight hundred forty-four".