56840641443 has 6 divisors (see below), whose sum is σ = 82103148764. Its totient is φ = 37893760956.

The previous prime is 56840641423. The next prime is 56840641447. The reversal of 56840641443 is 34414604865.

56840641443 is a `hidden beast` number, since 568 + 4 + 0 + 6 + 41 + 4 + 43 = 666.

It is not a de Polignac number, because 56840641443 - 2¹⁴ = 56840625059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56840641447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3157813405 + ... + 3157813422.

Almost surely, 2^56840641443 is an apocalyptic number.

56840641443 is a deficient number, since it is larger than the sum of its proper divisors (25262507321).

56840641443 is a wasteful number, since it uses less digits than its factorization.

56840641443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315626833 (or 6315626830 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 56840641443 in words is "fifty-six billion, eight hundred forty million, six hundred forty-one thousand, four hundred forty-three".