28524601238 has 32 divisors (see below), whose sum is σ = 52003660800. Its totient is φ = 11462010624.

The previous prime is 28524601213. The next prime is 28524601241. The reversal of 28524601238 is 83210642582.

It is a super-2 number, since 2×28524601238² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28524601195 and 28524601204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526958 + ... + 578561.

It is an arithmetic number, because the mean of its divisors is an integer number (1625114400).

Almost surely, 2^28524601238 is an apocalyptic number.

28524601238 is a deficient number, since it is larger than the sum of its proper divisors (23479059562).

28524601238 is a wasteful number, since it uses less digits than its factorization.

28524601238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105644.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 28524601238 in words is "twenty-eight billion, five hundred twenty-four million, six hundred one thousand, two hundred thirty-eight".