28436098430 has 16 divisors (see below), whose sum is σ = 52052520240. Its totient is φ = 11181652032.

The previous prime is 28436098399. The next prime is 28436098487. The reversal of 28436098430 is 3489063482.

It is a super-2 number, since 2×28436098430² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24097799 + ... + 24098978.

It is an arithmetic number, because the mean of its divisors is an integer number (3253282515).

Almost surely, 2^28436098430 is an apocalyptic number.

28436098430 is a deficient number, since it is larger than the sum of its proper divisors (23616421810).

28436098430 is a wasteful number, since it uses less digits than its factorization.

28436098430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48196843.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 28436098430 in words is "twenty-eight billion, four hundred thirty-six million, ninety-eight thousand, four hundred thirty".