28547018426 has 16 divisors (see below), whose sum is σ = 47725666560. Its totient is φ = 12726843840.

The previous prime is 28547018419. The next prime is 28547018429. The reversal of 28547018426 is 62481074582.

It is a super-2 number, since 2×28547018426² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28547018429) 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, 22094570 + ... + 22095861.

It is an arithmetic number, because the mean of its divisors is an integer number (2982854160).

Almost surely, 2^28547018426 is an apocalyptic number.

28547018426 is a deficient number, since it is larger than the sum of its proper divisors (19178648134).

28547018426 is a wasteful number, since it uses less digits than its factorization.

28547018426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44190469.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 28547018426 in words is "twenty-eight billion, five hundred forty-seven million, eighteen thousand, four hundred twenty-six".