40618807 has 2 divisors, whose sum is σ = 40618808. Its totient is φ = 40618806.

The previous prime is 40618801. The next prime is 40618813. The reversal of 40618807 is 70881604.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (40618801) and next prime (40618813).

It is a cyclic number.

It is not a de Polignac number, because 40618807 - 2⁷ = 40618679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40618801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20309403 + 20309404.

It is an arithmetic number, because the mean of its divisors is an integer number (20309404).

Almost surely, 2^40618807 is an apocalyptic number.

40618807 is a deficient number, since it is larger than the sum of its proper divisors (1).

40618807 is an equidigital number, since it uses as much as digits as its factorization.

40618807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 40618807 is about 6373.2885545847. The cubic root of 40618807 is about 343.7497475701.

The spelling of 40618807 in words is "forty million, six hundred eighteen thousand, eight hundred seven".