40402442305 has 8 divisors (see below), whose sum is σ = 48557869632. Its totient is φ = 32271994608.

The previous prime is 40402442221. The next prime is 40402442347. The reversal of 40402442305 is 50324420404.

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 40402442305 - 2¹⁹ = 40401918017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6241347 + ... + 6247816.

It is an arithmetic number, because the mean of its divisors is an integer number (6069733704).

Almost surely, 2^40402442305 is an apocalyptic number.

It is an amenable number.

40402442305 is a deficient number, since it is larger than the sum of its proper divisors (8155427327).

40402442305 is a wasteful number, since it uses less digits than its factorization.

40402442305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12489815.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 40402442305 its reverse (50324420404), we get a palindrome (90726862709).

The spelling of 40402442305 in words is "forty billion, four hundred two million, four hundred forty-two thousand, three hundred five".