4581856340 has 24 divisors (see below), whose sum is σ = 9623343240. Its totient is φ = 1832467328.

The previous prime is 4581856273. The next prime is 4581856373. The reversal of 4581856340 is 436581854.

It can be written as a sum of positive squares in 4 ways, for example, as 537405124 + 4044451216 = 23182^2 + 63596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4581856291 and 4581856300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167894 + ... + 193266.

It is an arithmetic number, because the mean of its divisors is an integer number (400972635).

Almost surely, 2^4581856340 is an apocalyptic number.

It is an amenable number.

4581856340 is an abundant number, since it is smaller than the sum of its proper divisors (5041486900).

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

4581856340 is a wasteful number, since it uses less digits than its factorization.

4581856340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34411 (or 34409 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The square root of 4581856340 is about 67689.4108409875. The cubic root of 4581856340 is about 1660.9140391213.

The spelling of 4581856340 in words is "four billion, five hundred eighty-one million, eight hundred fifty-six thousand, three hundred forty".