28434536042 has 16 divisors (see below), whose sum is σ = 46539690912. Its totient is φ = 12921886320.

The previous prime is 28434536023. The next prime is 28434536057. The reversal of 28434536042 is 24063543482.

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 7 ways as a sum of consecutive naturals, for example, 43373 + ... + 242384.

It is an arithmetic number, because the mean of its divisors is an integer number (2908730682).

Almost surely, 2^28434536042 is an apocalyptic number.

28434536042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28434536042 is a deficient number, since it is larger than the sum of its proper divisors (18105154870).

28434536042 is a wasteful number, since it uses less digits than its factorization.

28434536042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290293.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 28434536042 in words is "twenty-eight billion, four hundred thirty-four million, five hundred thirty-six thousand, forty-two".