40241434187 has 2 divisors, whose sum is σ = 40241434188. Its totient is φ = 40241434186.

The previous prime is 40241434183. The next prime is 40241434241. The reversal of 40241434187 is 78143414204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40241434187 - 2² = 40241434183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40241434187.

It is not a weakly prime, because it can be changed into another prime (40241434183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120717093 + 20120717094.

It is an arithmetic number, because the mean of its divisors is an integer number (20120717094).

Almost surely, 2^40241434187 is an apocalyptic number.

40241434187 is a deficient number, since it is larger than the sum of its proper divisors (1).

40241434187 is an equidigital number, since it uses as much as digits as its factorization.

40241434187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 40241434187 in words is "forty billion, two hundred forty-one million, four hundred thirty-four thousand, one hundred eighty-seven".