28502493050 has 24 divisors (see below), whose sum is σ = 54447468636. Its totient is φ = 11092861440.

The previous prime is 28502493049. The next prime is 28502493083. The reversal of 28502493050 is 5039420582.

It can be written as a sum of positive squares in 6 ways, for example, as 16323384169 + 12179108881 = 127763^2 + 110359^2 .

It is a super-2 number, since 2×28502493050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28502492995 and 28502493013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7701527 + ... + 7705226.

Almost surely, 2^28502493050 is an apocalyptic number.

28502493050 is a deficient number, since it is larger than the sum of its proper divisors (25944975586).

28502493050 is a wasteful number, since it uses less digits than its factorization.

28502493050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15406802 (or 15406797 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 28502493050 in words is "twenty-eight billion, five hundred two million, four hundred ninety-three thousand, fifty".