40281855667 has 8 divisors (see below), whose sum is σ = 42039033120. Its totient is φ = 38525160960.

The previous prime is 40281855661. The next prime is 40281855721. The reversal of 40281855667 is 76655818204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40281855667 - 2⁷ = 40281855539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40281855661) 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 in 7 ways as a sum of consecutive naturals, for example, 55317 + ... + 289177.

It is an arithmetic number, because the mean of its divisors is an integer number (5254879140).

Almost surely, 2^40281855667 is an apocalyptic number.

40281855667 is a deficient number, since it is larger than the sum of its proper divisors (1757177453).

40281855667 is a wasteful number, since it uses less digits than its factorization.

40281855667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241373.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 40281855667 in words is "forty billion, two hundred eighty-one million, eight hundred fifty-five thousand, six hundred sixty-seven".