28354134742224 has 80 divisors (see below), whose sum is σ = 74584549949952. Its totient is φ = 9280104781824.

The previous prime is 28354134742223. The next prime is 28354134742229. The reversal of 28354134742224 is 42224743145382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28354134742223) 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 15 ways as a sum of consecutive naturals, for example, 17361957 + ... + 18924740.

Almost surely, 2^{28354134742224} is an apocalyptic number.

28354134742224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28354134742224 is an abundant number, since it is smaller than the sum of its proper divisors (46230415207728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28354134742224 is a wasteful number, since it uses less digits than its factorization.

28354134742224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36287004 (or 36286998 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 51.

The spelling of 28354134742224 in words is "twenty-eight trillion, three hundred fifty-four billion, one hundred thirty-four million, seven hundred forty-two thousand, two hundred twenty-four".