40221214155345 has 64 divisors (see below), whose sum is σ = 64645568225280. Its totient is φ = 21354375993600.

The previous prime is 40221214155337. The next prime is 40221214155361. The reversal of 40221214155345 is 54355141212204.

It is not a de Polignac number, because 40221214155345 - 2³ = 40221214155337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8451608076 + ... + 8451612834.

It is an arithmetic number, because the mean of its divisors is an integer number (1010087003520).

Almost surely, 2^{40221214155345} is an apocalyptic number.

It is an amenable number.

40221214155345 is a deficient number, since it is larger than the sum of its proper divisors (24424354069935).

40221214155345 is a wasteful number, since it uses less digits than its factorization.

40221214155345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 40221214155345 its reverse (54355141212204), we get a palindrome (94576355367549).

The spelling of 40221214155345 in words is "forty trillion, two hundred twenty-one billion, two hundred fourteen million, one hundred fifty-five thousand, three hundred forty-five".