40118347 has 2 divisors, whose sum is σ = 40118348. Its totient is φ = 40118346.

The previous prime is 40118341. The next prime is 40118359. The reversal of 40118347 is 74381104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40118347 - 2⁷ = 40118219 is a prime.

It is not a weakly prime, because it can be changed into another prime (40118341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20059173 + 20059174.

It is an arithmetic number, because the mean of its divisors is an integer number (20059174).

Almost surely, 2^40118347 is an apocalyptic number.

40118347 is a deficient number, since it is larger than the sum of its proper divisors (1).

40118347 is an equidigital number, since it uses as much as digits as its factorization.

40118347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 40118347 is about 6333.9045619586. The cubic root of 40118347 is about 342.3321414485.

The spelling of 40118347 in words is "forty million, one hundred eighteen thousand, three hundred forty-seven".