28413489026 has 16 divisors (see below), whose sum is σ = 46170310200. Its totient is φ = 13113915984.

The previous prime is 28413489023. The next prime is 28413489043. The reversal of 28413489026 is 62098431482.

It can be written as a sum of positive squares in 4 ways, for example, as 21576025 + 28391913001 = 4645^2 + 168499^2 .

It is not an unprimeable number, because it can be changed into a prime (28413489023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3228821 + ... + 3237608.

Almost surely, 2^28413489026 is an apocalyptic number.

28413489026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28413489026 is a deficient number, since it is larger than the sum of its proper divisors (17756821174).

28413489026 is an equidigital number, since it uses as much as digits as its factorization.

28413489026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466470 (or 6466444 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 28413489026 in words is "twenty-eight billion, four hundred thirteen million, four hundred eighty-nine thousand, twenty-six".