728424135858 has 16 divisors (see below), whose sum is σ = 1492381156896. Its totient is φ = 236885897760.

The previous prime is 728424135853. The next prime is 728424135871. The reversal of 728424135858 is 858531424827.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 728424135798 and 728424135807.

It is not an unprimeable number, because it can be changed into a prime (728424135853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480536616 + ... + 1480537107.

It is an arithmetic number, because the mean of its divisors is an integer number (93273822306).

Almost surely, 2^728424135858 is an apocalyptic number.

728424135858 is an abundant number, since it is smaller than the sum of its proper divisors (763957021038).

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

728424135858 is a wasteful number, since it uses less digits than its factorization.

728424135858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961073769.

The product of its digits is 17203200, while the sum is 57.

The spelling of 728424135858 in words is "seven hundred twenty-eight billion, four hundred twenty-four million, one hundred thirty-five thousand, eight hundred fifty-eight".