32154640043 has 6 divisors (see below), whose sum is σ = 33225347052. Its totient is φ = 31117392660.

The previous prime is 32154640003. The next prime is 32154640069. The reversal of 32154640043 is 34004645123.

It is not a de Polignac number, because 32154640043 - 2¹⁰ = 32154639019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32154639991 and 32154640009.

It is not an unprimeable number, because it can be changed into a prime (32154640003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16728821 + ... + 16730742.

It is an arithmetic number, because the mean of its divisors is an integer number (5537557842).

Almost surely, 2^32154640043 is an apocalyptic number.

32154640043 is a deficient number, since it is larger than the sum of its proper divisors (1070707009).

32154640043 is an equidigital number, since it uses as much as digits as its factorization.

32154640043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33459625 (or 33459594 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 32154640043 in words is "thirty-two billion, one hundred fifty-four million, six hundred forty thousand, forty-three".