32400000028 has 48 divisors (see below), whose sum is σ = 62244661248. Its totient is φ = 14634560000.

The previous prime is 32399999981. The next prime is 32400000089. The reversal of 32400000028 is 82000000423.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32399999960 and 32400000014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12192876 + ... + 12195532.

It is an arithmetic number, because the mean of its divisors is an integer number (1296763776).

Almost surely, 2^32400000028 is an apocalyptic number.

It is an amenable number.

32400000028 is a deficient number, since it is larger than the sum of its proper divisors (29844661220).

32400000028 is a wasteful number, since it uses less digits than its factorization.

32400000028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314 (or 4312 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The spelling of 32400000028 in words is "thirty-two billion, four hundred million, twenty-eight", and thus it is an aban number.