3449543426064 has 160 divisors (see below), whose sum is σ = 9952922079360. Its totient is φ = 1143881367552.

The previous prime is 3449543426051. The next prime is 3449543426081. The reversal of 3449543426064 is 4606243459443.

It is a happy number.

3449543426064 is a `hidden beast` number, since 3 + 4 + 4 + 95 + 434 + 2 + 60 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3449543426064.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116041507 + ... + 116071229.

It is an arithmetic number, because the mean of its divisors is an integer number (62205762996).

Almost surely, 2^{3449543426064} 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 3449543426064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4976461039680).

3449543426064 is an abundant number, since it is smaller than the sum of its proper divisors (6503378653296).

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

3449543426064 is a wasteful number, since it uses less digits than its factorization.

3449543426064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31126 (or 31114 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 54.

The spelling of 3449543426064 in words is "three trillion, four hundred forty-nine billion, five hundred forty-three million, four hundred twenty-six thousand, sixty-four".