28538553342 has 32 divisors (see below), whose sum is σ = 61874749440. Its totient is φ = 8722936800.

The previous prime is 28538553331. The next prime is 28538553343. The reversal of 28538553342 is 24335583582.

It is a junction number, because it is equal to n+sod(n) for n = 28538553291 and 28538553300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28538553343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199742 + ... + 1223297.

It is an arithmetic number, because the mean of its divisors is an integer number (1933585920).

Almost surely, 2^28538553342 is an apocalyptic number.

28538553342 is an abundant number, since it is smaller than the sum of its proper divisors (33336196098).

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

28538553342 is a wasteful number, since it uses less digits than its factorization.

28538553342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423208.

The product of its digits is 3456000, while the sum is 48.

The spelling of 28538553342 in words is "twenty-eight billion, five hundred thirty-eight million, five hundred fifty-three thousand, three hundred forty-two".