1806494256 has 240 divisors, whose sum is σ = 6250742784. Its totient is φ = 475232256.

The previous prime is 1806494243. The next prime is 1806494257. The reversal of 1806494256 is 6524946081.

1806494256 is a `hidden beast` number, since 180 + 6 + 49 + 425 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (1806494257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 804271 + ... + 806513.

Almost surely, 2^1806494256 is an apocalyptic number.

1806494256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1806494256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3125371392).

1806494256 is an abundant number, since it is smaller than the sum of its proper divisors (4444248528).

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

1806494256 is a wasteful number, since it uses less digits than its factorization.

1806494256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 1806494256 is about 42502.8735028586. The cubic root of 1806494256 is about 1217.9015831243.

The spelling of 1806494256 in words is "one billion, eight hundred six million, four hundred ninety-four thousand, two hundred fifty-six".