40618607 has 2 divisors, whose sum is σ = 40618608. Its totient is φ = 40618606.

The previous prime is 40618601. The next prime is 40618631. The reversal of 40618607 is 70681604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40618607 - 2¹⁰ = 40617583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40618601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20309303 + 20309304.

It is an arithmetic number, because the mean of its divisors is an integer number (20309304).

Almost surely, 2^40618607 is an apocalyptic number.

40618607 is a deficient number, since it is larger than the sum of its proper divisors (1).

40618607 is an equidigital number, since it uses as much as digits as its factorization.

40618607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 40618607 is about 6373.2728640785. The cubic root of 40618607 is about 343.7491833810.

The spelling of 40618607 in words is "forty million, six hundred eighteen thousand, six hundred seven".