40221215147 has 2 divisors, whose sum is σ = 40221215148. Its totient is φ = 40221215146.

The previous prime is 40221215131. The next prime is 40221215189. The reversal of 40221215147 is 74151212204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40221215147 - 2⁴ = 40221215131 is a prime.

It is a super-2 number, since 2×40221215147² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40221115147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110607573 + 20110607574.

It is an arithmetic number, because the mean of its divisors is an integer number (20110607574).

Almost surely, 2^40221215147 is an apocalyptic number.

40221215147 is a deficient number, since it is larger than the sum of its proper divisors (1).

40221215147 is an equidigital number, since it uses as much as digits as its factorization.

40221215147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The spelling of 40221215147 in words is "forty billion, two hundred twenty-one million, two hundred fifteen thousand, one hundred forty-seven".