32140017028 has 24 divisors (see below), whose sum is σ = 64323000000. Its totient is φ = 13765086048.

The previous prime is 32140017023. The next prime is 32140017031. The reversal of 32140017028 is 82071004123.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 32140016987 and 32140017005.

It is not an unprimeable number, because it can be changed into a prime (32140017023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340903 + ... + 424846.

It is an arithmetic number, because the mean of its divisors is an integer number (2680125000).

Almost surely, 2^32140017028 is an apocalyptic number.

It is an amenable number.

32140017028 is an abundant number, since it is smaller than the sum of its proper divisors (32182982972).

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

32140017028 is a wasteful number, since it uses less digits than its factorization.

32140017028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767259 (or 767257 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 32140017028 in words is "thirty-two billion, one hundred forty million, seventeen thousand, twenty-eight".