40232971 has 2 divisors, whose sum is σ = 40232972. Its totient is φ = 40232970.

The previous prime is 40232953. The next prime is 40233007. The reversal of 40232971 is 17923204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40232971 - 2⁵ = 40232939 is a prime.

It is not a weakly prime, because it can be changed into another prime (40236971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116485 + 20116486.

It is an arithmetic number, because the mean of its divisors is an integer number (20116486).

Almost surely, 2^40232971 is an apocalyptic number.

40232971 is a deficient number, since it is larger than the sum of its proper divisors (1).

40232971 is an equidigital number, since it uses as much as digits as its factorization.

40232971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 40232971 is about 6342.9465550326. The cubic root of 40232971 is about 342.6578624759.

The spelling of 40232971 in words is "forty million, two hundred thirty-two thousand, nine hundred seventy-one".