40235707 has 2 divisors, whose sum is σ = 40235708. Its totient is φ = 40235706.

The previous prime is 40235693. The next prime is 40235729. The reversal of 40235707 is 70753204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40235707 - 2²³ = 31847099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40235747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117853 + 20117854.

It is an arithmetic number, because the mean of its divisors is an integer number (20117854).

Almost surely, 2^40235707 is an apocalyptic number.

40235707 is a deficient number, since it is larger than the sum of its proper divisors (1).

40235707 is an equidigital number, since it uses as much as digits as its factorization.

40235707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 40235707 is about 6343.1622240015. The cubic root of 40235707 is about 342.6656296599.

It can be divided in two parts, 4023 and 5707, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 40235707 in words is "forty million, two hundred thirty-five thousand, seven hundred seven".