485699439540 has 144 divisors (see below), whose sum is σ = 1603664298432. Its totient is φ = 109496185344.

The previous prime is 485699439493. The next prime is 485699439541. The reversal of 485699439540 is 45934996584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485699439541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 916914 + ... + 1346153.

It is an arithmetic number, because the mean of its divisors is an integer number (11136557628).

Almost surely, 2^485699439540 is an apocalyptic number.

It is an amenable number.

485699439540 is an abundant number, since it is smaller than the sum of its proper divisors (1117964858892).

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

485699439540 is a wasteful number, since it uses less digits than its factorization.

485699439540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263166 (or 2263157 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 66.

The spelling of 485699439540 in words is "four hundred eighty-five billion, six hundred ninety-nine million, four hundred thirty-nine thousand, five hundred forty".