40270339 has 2 divisors, whose sum is σ = 40270340. Its totient is φ = 40270338.

The previous prime is 40270289. The next prime is 40270369. The reversal of 40270339 is 93307204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40270339 is a prime.

It is equal to p_2449090 and since 40270339 and 2449090 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40270369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20135169 + 20135170.

It is an arithmetic number, because the mean of its divisors is an integer number (20135170).

Almost surely, 2^40270339 is an apocalyptic number.

40270339 is a deficient number, since it is larger than the sum of its proper divisors (1).

40270339 is an equidigital number, since it uses as much as digits as its factorization.

40270339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 40270339 is about 6345.8915055333. The cubic root of 40270339 is about 342.7639154346.

The spelling of 40270339 in words is "forty million, two hundred seventy thousand, three hundred thirty-nine".