40215151147 has 2 divisors, whose sum is σ = 40215151148. Its totient is φ = 40215151146.

The previous prime is 40215151051. The next prime is 40215151199. The reversal of 40215151147 is 74115151204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40215151147 - 2²³ = 40206762539 is a prime.

It is not a weakly prime, because it can be changed into another prime (40215151747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20107575573 + 20107575574.

It is an arithmetic number, because the mean of its divisors is an integer number (20107575574).

Almost surely, 2^40215151147 is an apocalyptic number.

40215151147 is a deficient number, since it is larger than the sum of its proper divisors (1).

40215151147 is an equidigital number, since it uses as much as digits as its factorization.

40215151147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The spelling of 40215151147 in words is "forty billion, two hundred fifteen million, one hundred fifty-one thousand, one hundred forty-seven".