40320121214 has 4 divisors (see below), whose sum is σ = 60480181824. Its totient is φ = 20160060606.

The previous prime is 40320121211. The next prime is 40320121223. The reversal of 40320121214 is 41212102304.

40320121214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320121211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10080030302 + ... + 10080030305.

It is an arithmetic number, because the mean of its divisors is an integer number (15120045456).

Almost surely, 2^40320121214 is an apocalyptic number.

40320121214 is a deficient number, since it is larger than the sum of its proper divisors (20160060610).

40320121214 is a wasteful number, since it uses less digits than its factorization.

40320121214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160060609.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40320121214 its reverse (41212102304), we get a palindrome (81532223518).

The spelling of 40320121214 in words is "forty billion, three hundred twenty million, one hundred twenty-one thousand, two hundred fourteen".