185440056 has 16 divisors (see below), whose sum is σ = 463600200. Its totient is φ = 61813344.

The previous prime is 185440033. The next prime is 185440069. The reversal of 185440056 is 650044581.

185440056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 185439999 and 185440026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3863311 + ... + 3863358.

Almost surely, 2^185440056 is an apocalyptic number.

It is an amenable number.

185440056 is an abundant number, since it is smaller than the sum of its proper divisors (278160144).

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

185440056 is a wasteful number, since it uses less digits than its factorization.

185440056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726678 (or 7726674 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 185440056 is about 13617.6376805964. The cubic root of 185440056 is about 570.2533561301.

The spelling of 185440056 in words is "one hundred eighty-five million, four hundred forty thousand, fifty-six".