40434971 has 2 divisors, whose sum is σ = 40434972. Its totient is φ = 40434970.

The previous prime is 40434941. The next prime is 40434991. The reversal of 40434971 is 17943404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40434971 - 2²² = 36240667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40434941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20217485 + 20217486.

It is an arithmetic number, because the mean of its divisors is an integer number (20217486).

Almost surely, 2^40434971 is an apocalyptic number.

40434971 is a deficient number, since it is larger than the sum of its proper divisors (1).

40434971 is an equidigital number, since it uses as much as digits as its factorization.

40434971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40434971 is about 6358.8498173805. The cubic root of 40434971 is about 343.2303727673.

The spelling of 40434971 in words is "forty million, four hundred thirty-four thousand, nine hundred seventy-one".