40524389 has 2 divisors, whose sum is σ = 40524390. Its totient is φ = 40524388.

The previous prime is 40524377. The next prime is 40524401. The reversal of 40524389 is 98342504.

40524389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (40524377) and next prime (40524401).

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 2455489 = 6170^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 40524389 - 2⁴ = 40524373 is a prime.

It is a super-2 number, since 2×40524389² = 3284452207646642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40524349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262194 + 20262195.

It is an arithmetic number, because the mean of its divisors is an integer number (20262195).

Almost surely, 2^40524389 is an apocalyptic number.

It is an amenable number.

40524389 is a deficient number, since it is larger than the sum of its proper divisors (1).

40524389 is an equidigital number, since it uses as much as digits as its factorization.

40524389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 40524389 is about 6365.8769230955. The cubic root of 40524389 is about 343.4831933423.

The spelling of 40524389 in words is "forty million, five hundred twenty-four thousand, three hundred eighty-nine".