4609531880 has 16 divisors (see below), whose sum is σ = 10371446820. Its totient is φ = 1843812736.

The previous prime is 4609531873. The next prime is 4609531897. The reversal of 4609531880 is 881359064.

It can be written as a sum of positive squares in 2 ways, for example, as 4499994724 + 109537156 = 67082^2 + 10466^2 .

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, 57619109 + ... + 57619188.

Almost surely, 2^4609531880 is an apocalyptic number.

4609531880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4609531880 is an abundant number, since it is smaller than the sum of its proper divisors (5761914940).

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

4609531880 is a wasteful number, since it uses less digits than its factorization.

4609531880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115238308 (or 115238304 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 4609531880 is about 67893.5334181393. The cubic root of 4609531880 is about 1664.2514384052.

The spelling of 4609531880 in words is "four billion, six hundred nine million, five hundred thirty-one thousand, eight hundred eighty".