40614689 has 2 divisors, whose sum is σ = 40614690. Its totient is φ = 40614688.

The previous prime is 40614677. The next prime is 40614697. The reversal of 40614689 is 98641604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36481600 + 4133089 = 6040^2 + 2033^2 .

It is a cyclic number.

It is not a de Polignac number, because 40614689 - 2¹² = 40610593 is a prime.

It is not a weakly prime, because it can be changed into another prime (40614289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20307344 + 20307345.

It is an arithmetic number, because the mean of its divisors is an integer number (20307345).

Almost surely, 2^40614689 is an apocalyptic number.

It is an amenable number.

40614689 is a deficient number, since it is larger than the sum of its proper divisors (1).

40614689 is an equidigital number, since it uses as much as digits as its factorization.

40614689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40614689 is about 6372.9654792726. The cubic root of 40614689 is about 343.7381305433.

The spelling of 40614689 in words is "forty million, six hundred fourteen thousand, six hundred eighty-nine".