4457691860 has 12 divisors (see below), whose sum is σ = 9361152948. Its totient is φ = 1783076736.

The previous prime is 4457691827. The next prime is 4457691911. The reversal of 4457691860 is 681967544.

It can be written as a sum of positive squares in 2 ways, for example, as 2350698256 + 2106993604 = 48484^2 + 45902^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4457691799 and 4457691808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111442277 + ... + 111442316.

It is an arithmetic number, because the mean of its divisors is an integer number (780096079).

Almost surely, 2^4457691860 is an apocalyptic number.

It is an amenable number.

4457691860 is an abundant number, since it is smaller than the sum of its proper divisors (4903461088).

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

4457691860 is a wasteful number, since it uses less digits than its factorization.

4457691860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222884602 (or 222884600 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 4457691860 is about 66765.9483569282. The cubic root of 4457691860 is about 1645.7733093586.

The spelling of 4457691860 in words is "four billion, four hundred fifty-seven million, six hundred ninety-one thousand, eight hundred sixty".