609893118440 has 128 divisors (see below), whose sum is σ = 1390493744640. Its totient is φ = 240744960000.

The previous prime is 609893118389. The next prime is 609893118451. The reversal of 609893118440 is 44811398906.

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 31 ways as a sum of consecutive naturals, for example, 752025635 + ... + 752026445.

It is an arithmetic number, because the mean of its divisors is an integer number (10863232380).

Almost surely, 2^609893118440 is an apocalyptic number.

It is an amenable number.

609893118440 is an abundant number, since it is smaller than the sum of its proper divisors (780600626200).

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

609893118440 is a wasteful number, since it uses less digits than its factorization.

609893118440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 609893118440 in words is "six hundred nine billion, eight hundred ninety-three million, one hundred eighteen thousand, four hundred forty".