40869007 has 2 divisors, whose sum is σ = 40869008. Its totient is φ = 40869006.

The previous prime is 40868959. The next prime is 40869011. The reversal of 40869007 is 70096804.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40869007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40869047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20434503 + 20434504.

It is an arithmetic number, because the mean of its divisors is an integer number (20434504).

Almost surely, 2^40869007 is an apocalyptic number.

40869007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40869007 is an equidigital number, since it uses as much as digits as its factorization.

40869007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 40869007 is about 6392.8872194025. The cubic root of 40869007 is about 344.4541027199.

The spelling of 40869007 in words is "forty million, eight hundred sixty-nine thousand, seven".