4055455646 has 32 divisors (see below), whose sum is σ = 7147958400. Its totient is φ = 1705747680.

The previous prime is 4055455639. The next prime is 4055455711. The reversal of 4055455646 is 6465545504.

It is a junction number, because it is equal to n+sod(n) for n = 4055455597 and 4055455606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94841 + ... + 130788.

It is an arithmetic number, because the mean of its divisors is an integer number (223373700).

Almost surely, 2^4055455646 is an apocalyptic number.

4055455646 is a deficient number, since it is larger than the sum of its proper divisors (3092502754).

4055455646 is a wasteful number, since it uses less digits than its factorization.

4055455646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225704.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The square root of 4055455646 is about 63682.4594845394. The cubic root of 4055455646 is about 1594.7032720091.

The spelling of 4055455646 in words is "four billion, fifty-five million, four hundred fifty-five thousand, six hundred forty-six".