32040144281 has 2 divisors, whose sum is σ = 32040144282. Its totient is φ = 32040144280.

The previous prime is 32040144233. The next prime is 32040144343. The reversal of 32040144281 is 18244104023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32019523600 + 20620681 = 178940^2 + 4541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32040144281 is a prime.

It is a super-2 number, since 2×32040144281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32040144221) by changing a digit.

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 as a sum of consecutive naturals, namely, 16020072140 + 16020072141.

It is an arithmetic number, because the mean of its divisors is an integer number (16020072141).

Almost surely, 2^32040144281 is an apocalyptic number.

It is an amenable number.

32040144281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32040144281 is an equidigital number, since it uses as much as digits as its factorization.

32040144281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 32040144281 in words is "thirty-two billion, forty million, one hundred forty-four thousand, two hundred eighty-one".