40898959 has 2 divisors, whose sum is σ = 40898960. Its totient is φ = 40898958.

The previous prime is 40898929. The next prime is 40898969. The reversal of 40898959 is 95989804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40898959 - 2⁵ = 40898927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40898929) 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, 20449479 + 20449480.

It is an arithmetic number, because the mean of its divisors is an integer number (20449480).

Almost surely, 2^40898959 is an apocalyptic number.

40898959 is a deficient number, since it is larger than the sum of its proper divisors (1).

40898959 is an equidigital number, since it uses as much as digits as its factorization.

40898959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 40898959 is about 6395.2293938529. The cubic root of 40898959 is about 344.5382297938.

The spelling of 40898959 in words is "forty million, eight hundred ninety-eight thousand, nine hundred fifty-nine".