5640454256 has 10 divisors (see below), whose sum is σ = 10928380152. Its totient is φ = 2820227120.

The previous prime is 5640454249. The next prime is 5640454273. The reversal of 5640454256 is 6524540465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176264180 + ... + 176264211.

Almost surely, 2^5640454256 is an apocalyptic number.

It is an amenable number.

5640454256 is a deficient number, since it is larger than the sum of its proper divisors (5287925896).

5640454256 is a wasteful number, since it uses less digits than its factorization.

5640454256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352528399 (or 352528393 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The square root of 5640454256 is about 75102.9577047402. The cubic root of 5640454256 is about 1780.0738781776.

The spelling of 5640454256 in words is "five billion, six hundred forty million, four hundred fifty-four thousand, two hundred fifty-six".