40232287 has 2 divisors, whose sum is σ = 40232288. Its totient is φ = 40232286.

The previous prime is 40232281. The next prime is 40232293. The reversal of 40232287 is 78223204.

It is a balanced prime because it is at equal distance from previous prime (40232281) and next prime (40232293).

It is a cyclic number.

It is not a de Polignac number, because 40232287 - 2¹⁵ = 40199519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40232281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116143 + 20116144.

It is an arithmetic number, because the mean of its divisors is an integer number (20116144).

Almost surely, 2^40232287 is an apocalyptic number.

40232287 is a deficient number, since it is larger than the sum of its proper divisors (1).

40232287 is an equidigital number, since it uses as much as digits as its factorization.

40232287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 40232287 is about 6342.8926366446. The cubic root of 40232287 is about 342.6559206249.

The spelling of 40232287 in words is "forty million, two hundred thirty-two thousand, two hundred eighty-seven".