5618545000 has 40 divisors (see below), whose sum is σ = 13164262650. Its totient is φ = 2247416000.

The previous prime is 5618544977. The next prime is 5618545019. The reversal of 5618545000 is 5458165.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 599956036 + 5018588964 = 24494^2 + 70842^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 556855 + ... + 566854.

Almost surely, 2^5618545000 is an apocalyptic number.

5618545000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5618545000 is an abundant number, since it is smaller than the sum of its proper divisors (7545717650).

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

5618545000 is a wasteful number, since it uses less digits than its factorization.

5618545000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123735 (or 1123716 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 5618545000 is about 74956.9543137927. The cubic root of 5618545000 is about 1777.7661030773.

The spelling of 5618545000 in words is "five billion, six hundred eighteen million, five hundred forty-five thousand".