4539689240 has 32 divisors (see below), whose sum is σ = 10319611680. Its totient is φ = 1797153792.

The previous prime is 4539689227. The next prime is 4539689243. The reversal of 4539689240 is 429869354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539689243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581132 + ... + 588891.

It is an arithmetic number, because the mean of its divisors is an integer number (322487865).

Almost surely, 2^4539689240 is an apocalyptic number.

4539689240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4539689240 is an abundant number, since it is smaller than the sum of its proper divisors (5779922440).

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

4539689240 is a wasteful number, since it uses less digits than its factorization.

4539689240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170131 (or 1170127 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The square root of 4539689240 is about 67377.2160303466. The cubic root of 4539689240 is about 1655.8031643492.

The spelling of 4539689240 in words is "four billion, five hundred thirty-nine million, six hundred eighty-nine thousand, two hundred forty".