3601280256 has 144 divisors (see below), whose sum is σ = 11017388928. Its totient is φ = 1022976000.

The previous prime is 3601280251. The next prime is 3601280327. The reversal of 3601280256 is 6520821063.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601280251) 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, 971206 + ... + 974906.

Almost surely, 2^3601280256 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 3601280256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5508694464).

3601280256 is an abundant number, since it is smaller than the sum of its proper divisors (7416108672).

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

3601280256 is a wasteful number, since it uses less digits than its factorization.

3601280256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908 (or 3894 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 3601280256 is about 60010.6678516412. The cubic root of 3601280256 is about 1532.8005233007.

The spelling of 3601280256 in words is "three billion, six hundred one million, two hundred eighty thousand, two hundred fifty-six".