40458377 has 2 divisors, whose sum is σ = 40458378. Its totient is φ = 40458376.

The previous prime is 40458367. The next prime is 40458413. The reversal of 40458377 is 77385404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25240576 + 15217801 = 5024^2 + 3901^2 .

It is a cyclic number.

It is not a de Polignac number, because 40458377 - 2⁴ = 40458361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40458377.

It is not a weakly prime, because it can be changed into another prime (40458307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20229188 + 20229189.

It is an arithmetic number, because the mean of its divisors is an integer number (20229189).

Almost surely, 2^40458377 is an apocalyptic number.

It is an amenable number.

40458377 is a deficient number, since it is larger than the sum of its proper divisors (1).

40458377 is an equidigital number, since it uses as much as digits as its factorization.

40458377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 40458377 is about 6360.6899782964. The cubic root of 40458377 is about 343.2965869073.

The spelling of 40458377 in words is "forty million, four hundred fifty-eight thousand, three hundred seventy-seven".