32728480046040 has 64 divisors (see below), whose sum is σ = 101352712412160. Its totient is φ = 8446059365760.

The previous prime is 32728480045981. The next prime is 32728480046051. The reversal of 32728480046040 is 4064008482723.

It is a super-2 number, since 2×32728480046040² (a number of 28 digits) contains 22 as substring.

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, 4398985534 + ... + 4398992973.

It is an arithmetic number, because the mean of its divisors is an integer number (1583636131440).

Almost surely, 2^{32728480046040} is an apocalyptic number.

32728480046040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32728480046040 is an abundant number, since it is smaller than the sum of its proper divisors (68624232366120).

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

32728480046040 is a wasteful number, since it uses less digits than its factorization.

32728480046040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8797978552 (or 8797978548 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 32728480046040 in words is "thirty-two trillion, seven hundred twenty-eight billion, four hundred eighty million, forty-six thousand, forty".