28384052642 has 32 divisors (see below), whose sum is σ = 47578933440. Its totient is φ = 12590510080.

The previous prime is 28384052597. The next prime is 28384052687. The reversal of 28384052642 is 24625048382.

It is an interprime number because it is at equal distance from previous prime (28384052597) and next prime (28384052687).

It is a junction number, because it is equal to n+sod(n) for n = 28384052593 and 28384052602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98018 + ... + 257634.

It is an arithmetic number, because the mean of its divisors is an integer number (1486841670).

Almost surely, 2^28384052642 is an apocalyptic number.

28384052642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28384052642 is a deficient number, since it is larger than the sum of its proper divisors (19194880798).

28384052642 is a wasteful number, since it uses less digits than its factorization.

28384052642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159826.

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 28384052642 in words is "twenty-eight billion, three hundred eighty-four million, fifty-two thousand, six hundred forty-two".