40588369 has 2 divisors, whose sum is σ = 40588370. Its totient is φ = 40588368.

The previous prime is 40588349. The next prime is 40588381. The reversal of 40588369 is 96388504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34398225 + 6190144 = 5865^2 + 2488^2 .

It is a cyclic number.

It is not a de Polignac number, because 40588369 - 2⁵ = 40588337 is a prime.

It is a super-2 number, since 2×40588369² = 3294831396160322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40588309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20294184 + 20294185.

It is an arithmetic number, because the mean of its divisors is an integer number (20294185).

Almost surely, 2^40588369 is an apocalyptic number.

It is an amenable number.

40588369 is a deficient number, since it is larger than the sum of its proper divisors (1).

40588369 is an equidigital number, since it uses as much as digits as its factorization.

40588369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 40588369 is about 6370.9001718752. The cubic root of 40588369 is about 343.6638623180.

The spelling of 40588369 in words is "forty million, five hundred eighty-eight thousand, three hundred sixty-nine".