40321559946 has 32 divisors (see below), whose sum is σ = 84811972608. Its totient is φ = 12754914480.

The previous prime is 40321559917. The next prime is 40321559959. The reversal of 40321559946 is 64995512304.

It is a junction number, because it is equal to n+sod(n) for n = 40321559895 and 40321559904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132810 + ... + 1167861.

It is an arithmetic number, because the mean of its divisors is an integer number (2650374144).

Almost surely, 2^40321559946 is an apocalyptic number.

40321559946 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40321559946 is an abundant number, since it is smaller than the sum of its proper divisors (44490412662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40321559946 is a wasteful number, since it uses less digits than its factorization.

40321559946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300826.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 40321559946 in words is "forty billion, three hundred twenty-one million, five hundred fifty-nine thousand, nine hundred forty-six".