4457661056 has 32 divisors (see below), whose sum is σ = 8944420800. Its totient is φ = 2212786944.

The previous prime is 4457661049. The next prime is 4457661113. The reversal of 4457661056 is 6501667544.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×4457661056³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4457660998 and 4457661016.

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, 107480 + ... + 143063.

It is an arithmetic number, because the mean of its divisors is an integer number (279513150).

Almost surely, 2^4457661056 is an apocalyptic number.

It is an amenable number.

4457661056 is an abundant number, since it is smaller than the sum of its proper divisors (4486759744).

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

4457661056 is a wasteful number, since it uses less digits than its factorization.

4457661056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250696 (or 250684 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 4457661056 is about 66765.7176700738. The cubic root of 4457661056 is about 1645.7695184193.

The spelling of 4457661056 in words is "four billion, four hundred fifty-seven million, six hundred sixty-one thousand, fifty-six".