28347550430 has 32 divisors (see below), whose sum is σ = 51514958880. Its totient is φ = 11230358400.

The previous prime is 28347550421. The next prime is 28347550433. The reversal of 28347550430 is 3405574382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28347550433) 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, 4030577 + ... + 4037603.

It is an arithmetic number, because the mean of its divisors is an integer number (1609842465).

Almost surely, 2^28347550430 is an apocalyptic number.

28347550430 is a deficient number, since it is larger than the sum of its proper divisors (23167408450).

28347550430 is a wasteful number, since it uses less digits than its factorization.

28347550430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10844.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 28347550430 in words is "twenty-eight billion, three hundred forty-seven million, five hundred fifty thousand, four hundred thirty".