8465938256 has 90 divisors (see below), whose sum is σ = 18220163262. Its totient is φ = 3809653760.

The previous prime is 8465938249. The next prime is 8465938277. The reversal of 8465938256 is 6528395648.

It can be written as a sum of positive squares in 3 ways, for example, as 2132961856 + 6332976400 = 46184^2 + 79580^2 .

It is a super-2 number, since 2×8465938256² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2444366 + ... + 2447826.

Almost surely, 2^8465938256 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 8465938256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9110081631).

8465938256 is an abundant number, since it is smaller than the sum of its proper divisors (9754225006).

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

8465938256 is a wasteful number, since it uses less digits than its factorization.

8465938256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549 (or 3503 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 56.

The square root of 8465938256 is about 92010.5333969975. The cubic root of 8465938256 is about 2038.0978565781.

The spelling of 8465938256 in words is "eight billion, four hundred sixty-five million, nine hundred thirty-eight thousand, two hundred fifty-six".