3505256448 has 192 divisors, whose sum is σ = 9812275200. Its totient is φ = 1111326720.

The previous prime is 3505256441. The next prime is 3505256449. The reversal of 3505256448 is 8446525053.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505256441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18352033 + ... + 18352223.

It is an arithmetic number, because the mean of its divisors is an integer number (51105600).

Almost surely, 2^3505256448 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 3505256448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4906137600).

3505256448 is an abundant number, since it is smaller than the sum of its proper divisors (6307018752).

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

3505256448 is a wasteful number, since it uses less digits than its factorization.

3505256448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The square root of 3505256448 is about 59205.2062575581. The cubic root of 3505256448 is about 1519.0541853688.

The spelling of 3505256448 in words is "three billion, five hundred five million, two hundred fifty-six thousand, four hundred forty-eight".