40450142217 has 8 divisors (see below), whose sum is σ = 53934692800. Its totient is φ = 26966176560.

The previous prime is 40450142203. The next prime is 40450142221. The reversal of 40450142217 is 71224105404.

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

It is not a de Polignac number, because 40450142217 - 2²⁴ = 40433365001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40450142267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54492 + ... + 289602.

It is an arithmetic number, because the mean of its divisors is an integer number (6741836600).

Almost surely, 2^40450142217 is an apocalyptic number.

It is an amenable number.

40450142217 is a deficient number, since it is larger than the sum of its proper divisors (13484550583).

40450142217 is a wasteful number, since it uses less digits than its factorization.

40450142217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292463.

The product of its (nonzero) digits is 8960, while the sum is 30.

The spelling of 40450142217 in words is "forty billion, four hundred fifty million, one hundred forty-two thousand, two hundred seventeen".