40434151 has 2 divisors, whose sum is σ = 40434152. Its totient is φ = 40434150.

The previous prime is 40434083. The next prime is 40434157. The reversal of 40434151 is 15143404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40434151 - 2²³ = 32045543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40434157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20217075 + 20217076.

It is an arithmetic number, because the mean of its divisors is an integer number (20217076).

Almost surely, 2^40434151 is an apocalyptic number.

40434151 is a deficient number, since it is larger than the sum of its proper divisors (1).

40434151 is an equidigital number, since it uses as much as digits as its factorization.

40434151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40434151 is about 6358.7853399844. The cubic root of 40434151 is about 343.2280525743.

Adding to 40434151 its reverse (15143404), we get a palindrome (55577555).

The spelling of 40434151 in words is "forty million, four hundred thirty-four thousand, one hundred fifty-one".