40320212142208 has 32 divisors (see below), whose sum is σ = 81076127538960. Its totient is φ = 19971693858048.

The previous prime is 40320212142193. The next prime is 40320212142209. The reversal of 40320212142208 is 80224121202304.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 40320212142208.

It is not an unprimeable number, because it can be changed into a prime (40320212142209) 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 3 ways as a sum of consecutive naturals, for example, 1471956666 + ... + 1471984057.

Almost surely, 2^{40320212142208} is an apocalyptic number.

It is an amenable number.

40320212142208 is an abundant number, since it is smaller than the sum of its proper divisors (40755915396752).

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

40320212142208 is a wasteful number, since it uses less digits than its factorization.

40320212142208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943940844 (or 2943940832 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The spelling of 40320212142208 in words is "forty trillion, three hundred twenty billion, two hundred twelve million, one hundred forty-two thousand, two hundred eight".