40530042151 has 2 divisors, whose sum is σ = 40530042152. Its totient is φ = 40530042150.

The previous prime is 40530042149. The next prime is 40530042173. The reversal of 40530042151 is 15124003504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40530042151 - 2¹ = 40530042149 is a prime.

Together with 40530042149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40530042131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20265021075 + 20265021076.

It is an arithmetic number, because the mean of its divisors is an integer number (20265021076).

Almost surely, 2^40530042151 is an apocalyptic number.

40530042151 is a deficient number, since it is larger than the sum of its proper divisors (1).

40530042151 is an equidigital number, since it uses as much as digits as its factorization.

40530042151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 40530042151 its reverse (15124003504), we get a palindrome (55654045655).

The spelling of 40530042151 in words is "forty billion, five hundred thirty million, forty-two thousand, one hundred fifty-one".