40988347 has 2 divisors, whose sum is σ = 40988348. Its totient is φ = 40988346.

The previous prime is 40988333. The next prime is 40988357. The reversal of 40988347 is 74388904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40988347 - 2⁷ = 40988219 is a prime.

It is not a weakly prime, because it can be changed into another prime (40988317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20494173 + 20494174.

It is an arithmetic number, because the mean of its divisors is an integer number (20494174).

Almost surely, 2^40988347 is an apocalyptic number.

40988347 is a deficient number, since it is larger than the sum of its proper divisors (1).

40988347 is an equidigital number, since it uses as much as digits as its factorization.

40988347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 40988347 is about 6402.2142263439. The cubic root of 40988347 is about 344.7890525887.

The spelling of 40988347 in words is "forty million, nine hundred eighty-eight thousand, three hundred forty-seven".